Scat Catalog and Crankshafts
4340 & cast crankshafts, 4340 H beam and I beam connecting rods, rotating assemblies, block assemblies, flex plates, dampers

RPM - RON'S PRECISION MACHINE, INC.
69 E. 580 N.
Santaquin, Utah 84655
Contact us anytime OR by using your e-mail program and type in or copy & paste ron@rpmrons.com to send an e-mail with what you need.

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GRASS ROOTS CRANKSHAFTS
GRASS ROOTS SERIES
GRASS ROOTS CRANKSHAFTS HIGH QUALITY | DURABILITY | PRECISION | CRAFTSMANSHIP
SCAT CRANKSHAFTS is proud to be a pioneer in the grass roots of racing heritage. We have designed and engineered
our PRO STOCK CAST, SERIES 9000 CAST, 4340 FORGED STANDARD WEIGHT & F-43 LIGHTWEIGHT Crankshafts for the
budget minded engine builder and racer alike. We know that everyone’s racing experience started from the bottom,
those old local dirt tracks, the desolate asphalt drag strips, or maybe even your local diner for meet & greet. SCAT’s
grass roots series has a crankshaft to meet your racing needs.

Crankshafts and rods for Chevrolet, Ford, Chrysler, Pontiac, Honda and others are in the links below & Sport Compact 'H' Beam Connecting Rods for: Honda, Fiat, Mitsubishi, Nissan, Peugeot, Pontiac Leman/Daewoo, Saturn, Toyota, and VW Volkswagen

Flex Plates ----

_Powerforce Street Dampers & SFI Series 9000 Dampers

_Rod Bolt Torque Specs----

4340 Steel H-Beam Connecting Rods including Sport Compact----Accessories

Sport Compact Crankshafts & H-Beam 4340 Connecting Rods

_4340 Steel I-Beam Connecting rods ----

Cast & 9000 Series Crankshafts----

4340 Forged steel Crankshafts

Rotating Assemblies Chevrolet Ford Chrysler

 

Scat FULL RACE SERIES CRANKSHAFTS
Manufactured From Non-Twist
Single Plane 4340 Forgings
• Straight Shot & Chamfered Oil Holes
• Large Radius on All Journals
• Lightening Holes in All Rod Journals
• Aero Wing Counterweights
• Precision Ground, Heat Treated and Nitrided for
Superior Wear Resistance
• All popular engines, strokes and rod sizes

CHEVY SMALL BLOCK 4340 FORGED PRO SERIES LIGHTWEIGHT

Scat Series 9000 Cast Performance Crankshafts
Precision ground & micropolished. Inspected for size, finish & dimensional accuracy.

Scat Pro Stock Replacement


Scat 4340 Standard Weight Forged Crankshafts
Part# .....................Your Cost ...Application
4-350-3480-5700 $961.21 SB Chevy 350 w/ 2 pc. rear seal
4-350-3480-5700L $961.81 SB Chevy 350 w/ 1 pc. rear seal
4-350-3500-5700 $961.81 SB Chevy 350 w/ 2 pc. rear seal
4-350-3750-5700 $961.81 SB Chevy 350 w/ 2 pc. rear seal
4-350-3750-5700L $961.81 SB Chevy 350 w/ 1 pc. rear seal
4-350-3750-6000 $961.81 SB Chevy 350 w/ 2 pc. rear seal
4-350-3875-6000 $961.81 SB Chevy 350 w/ 2 pc. rear seal
4-400-3500-6000 $961.81 SB Chevy 400 w/ 2 pc. rear seal
4-400-3750-5700 $961.81 SB Chevy 400 w/ 2 pc. rear seal
4-400-3750-6000 $961.81 SB Chevy 400 w/ 2 pc. rear seal
4LS1-4000-6125-24 $1,240.10 LS Chevy w 1 pc. rear seal
4-454-4000-6135 $1,125.41 BB Chevy 454 w/ 2 pc. rear seal
4-454-4000-6385 $1,125.41 BB Chevy 454 w/ 2 pc. rear seal
4-454-4250-6135 $1,125.41 BB Chevy 454 w/ 2 pc. rear seal
4-454-4250-6385 $1,125.41 BB Chevy 454 w/ 2 pc. rear seal
4-454-4250-6385L $1,145.07 BB Chevy 454 w/ 1 pc. rear seal
4-302-3250-5400-2123 $927.11 Ford 302 - 3.250" stroke, 5.400" rod
4-302-3400-5400-2123 $927.11 Ford 302 - 3.400" stroke, 5.400" rod
4-351W4000-6200 $1,043.28 Ford 351W - 4.000" stroke, 6.200" rod
4FE4125-6700-2200 $1,356.08 Ford BB FE - 4.125" stroke, 6.700" rod
4FE4250-6700-2200 $1,356.08 Ford BB FE - 4.250" stroke, 6.700" rod

Scat Crankshafts - Cast Steel PRO STOCK REPLACEMENT CAST CRANKSHAFTS

FEATURES & BENEFITS
Designed & Engineered at SCAT
Bull nose counterweights
Precision ground and micro polished
Straight shot oil holes
Simplify your bearing stocks to all standard/standard size
No more hassles with poor quality crank cores

PART NO. YourCost DESCRIPTION _STROKE Rod Length ROD PIN WEIGHT*----TECH NOTES

CHEVY
CHEVY SMALL BLOCK 383
9103750 $384.68 350 2-Pc Rear Seal 3.750 5.700 2.100 48 External Balance
9103750L $386.01 350 1-Pc Rear Seal, Late 3.750 5.700 2.100 48 Internal Front, External Rear Balance (**)


CHEVY SMALL BLOCK 350 - 400 REPLACEMENT
910442 $384.68 350 2-Pc Rear Seal 3.480 5.700 2.100 50 Internal Balance
9104000 $304.38 00 2-Pc Rear Seal 3.750 5.700 2.100 50 Ext Balance, Not Stock Rod Length
910243070 $304.76 350 1-Pc Rear Seal, Lt-5 3.480 5.700 2.100 49 Int Front, Ext Rear Balance
910526 $386.01 386.01 350 1-Pc Rear Seal, Late 3.480 5.700 2.100 48 Int Front, Ext Rear Balance


CHEVY BIG BLOCK
910454 $527.67 454 2-Pc Rear Seal 4.000 6.135 2.200 62 External Balance
910454L $527.67 454 1-Pc Rear Seal, Late 4.000 6.135 2.200 66 External Balance

SERIES 9000 CAST LIGHTWEIGHT CRANKSHAFTS

FEATURES & BENEFITS
• Precision ground and micropolished
• A perfect way to increase cubic inches on
mild to moderate street or race engines
• Designed after our custom billets and made
from SCAT’s exclusive space-age 9000
material


PRO STOCK CAST
PAGE 15
Designed to replace factory crankshafts or for
specific class racing use. Competitively priced
for a stock to mildly built engine.

• Designed & engineered at SCAT
• Precision ground & micro polished
• Straight shot oil holes
• Bull nose counterweights
• No more hassles with poor quality cores
• Simplify your bearing stocks to std/std
• IMAC & Wissota approved

SERIES 9000 CAST
PAGES 16-18
The next step towards making big, reliable
power for street or strip use. Our 9000 series
crankshaft comes in a wide range of strokes
& rod combinations for chevy, ford, chrysler &
more. Budget minded, performance driven.

• Designed & engineered at SCAT
• Precision ground & micro polished
• Straight shot & chamfered oil holes
• Bull nose & aero wing counterweights
• Lightening holes
• IMAC & Race Saver approved

4340 STD. WEIGHT FORGED
PAGES 19, 21-24
SCAT’s 4340 standard weight crankshafts
provide strength and reliability. With SCAT’s
premium non-twist forgings, machined to exact
specifications, big and reliable cubic inches can
be made.

• Designed & engineered at SCAT
• Precision ground & micro polished
• Heat treated & ion nitrided
• Straight shot & chamfered oil holes
• Lightening holes & large radii on all journals


F-43 LIGHTWEIGHT
PAGE 20
For serious racers that want the ultimate
lightweight crankshaft, on a budget. The SCAT
F-43 is the way to go.

• Gun drilled main line
• Lightening holes in all journals
• Aero-wing counterweights
• Exclusive pendulum undercut CWT’s
• Straight shot & chamfered oil holes
• Precision ground, heat treated & nitrided
• Lightening holes & large radii on all journals

Cast Steel
Page 15

No more hassles with
poor quality crank cores




PRO STOCK REPLACEMENT CAST CRANKSHAFTS
FEATURES & BENEFITS
• Designed & Engineered at SCAT
• Bull nose counterweights
• Precision ground and micro polished
• Straight shot oil holes
• Simplify your bearing stocks to all standard/standard size
• IMCA & Wissota approved
CHEVY SMALL BLOCK 383
PART NO. Desc. Stroke Rod Length ROD PIN Wt.* TECH NOTES
9103750 $384.68 350 2-Pc Rear Seal 3.750 5.700 2.100 48 External Balance
9103750L $386.01 350 1-Pc Rear Seal, Late 3.750 5.700 2.100 48 Internal Front, External Rear Balance (**)
(**) Will balance at 1800 grams with external weighted flywheel, neutral balancer & one piece of heavy metal in #1 counterweight.
CHEVY SMALL BLOCK 350 - 400 REPLACEMENT
910442 $384.68 350 2-Pc Rear Seal 3.480 5.700 2.100 50 Internal Balance
WISSOTA APPROVED
910400 $384.68 400 2-Pc Rear Seal 3.750 5.700 2.100 50 Ext Balance, Not Stock Rod Length
9102430 $386.01 350 1-Pc Rear Seal, Lt-5 3.480 5.700 2.100 49 Int Front, Ext Rear Balance (***)
910526 $386.01 386.01 350 1-Pc Rear Seal, Late 3.480 5.700 2.100 48 Int Front, Ext Rear Balance
(***) Crank trigger on nose
.
CHEVY BIG BLOCK
910454 $527.67 454 2-Pc Rear Seal 4.000 6.135 2.200 62 External Balance
910454L $527.67 454 1-Pc Rear Seal, Late 4.000 6.135 2.200 66 External Balance
965L3819 $776.16 GMC Diesel Cast Repl. 3.819 6.280 2.399 71 Stock Replacement
942L3740 $619.47 V6 3.740 6.090 2.310 42 Not Balanced
9351W05 $600.64 351 Windsor 3.500 5.955 2.311 56 Use 28 Oz. External Components
942810 $912.53 428, FE 3.980 6.490 2.438 64 Not Balanced
946010 $695.09 460 3.850 6.605 2.500 74 Not Balanced
934010 $637.13 340 3.580 6.123 2.125 54 Not Balanced
936010 642.42 360 3.580 6.123 2.125 54 Not Balanced
942010 $948.98 Jeep 4.2L 3.895 5.850 2.095 48 Neutral Balanced



Page 16
CHEVROLET
SERIES 9000 CAST LIGHTWEIGHT CRANKSHAFTS

FEATURES & BENEFITS
• Precision ground and micropolished
• A perfect way to increase cubic inches on
mild to moderate street or race engines
• Designed after our custom billets and made
from SCAT’s exclusive space-age 9000
material

PART NO. Desc. Stroke Rod Length ROD PIN Wt.* TECH NOTES
CHEVY SMALL BLOCK 350 & 400 MAIN 2-PC REAR SEAL
935010-I 350 2-Pc Rear Seal 3.480 5.700 2.100 50 Internal Balance to 1700 grams
935010 $421.01 350 2-Pc Rear Seal 3.480 5.700 2.100 48 Internal Balance
(**) IMCA APPROVED (No lightening holes in journals
2 and 3)
935050 $421.13 350 2-Pc Rear Seal 3.750 5.700 2.100 48 External Balance
935056 $421.13 350 2-Pc Rear Seal 3.750 6.000 2.100 48 Internal Balance
940020 $456.18 400 2-Pc Rear Seal 3.500 6.000 2.100 50 Internal Balance
940050 $456.18 400 2-Pc Rear Seal 3.750 5.700 2.100 50 External Balance
940056 $456.18 400 2-Pc Rear Seal 3.750 6.000 2.100 50 Internal Balance
CHEVY SMALL BLOCK 350 MAIN 1-PC REAR SEAL
935050L $421.13 350 1-Pc Rear Seal, Late 3.750 5.700 2.100 48 Internal Front, External Rear Balance (**)
935060L $421.13 350 1-Pc Rear Seal 3.750 6.000 2.100 50 Int Bal, May Req Mallory
(**) Will balance at 1800 to grams with external weighted flywheel, neutral balancer & one piece of heavy metal in #1 counterweight.
CHEVY BIG BLOCK 454 MAIN 2-PC REAR SEAL
945420 $615.51 454 2-Pc Rear Seal 4.250 6.135 2.200 64 External Balance
945425 $615.51 454 2-Pc Rear Seal 4.250 6.385 2.200 64 Int Bal, May Req Mallory
CHEVY BIG BLOCK 454 MAIN 1-PC REAR SEAL
945420L $615.51 454 1-Pc Rear Seal, Late 4.250 6.135 2.200 66 External Balance
945425L $615.51 454 1-Pc Rear Seal, Late 4.250 6.385 2.200 66 Int Bal, May Req Mallory

(*) Weights (lbs) are approximate, actuals may vary.



Page 17
HOLDEN CRANKSHAFTS & CONNECTING RODS

FEATURES & BENEFITS
• Precision ground and micropolished
• A perfect way to increase cubic inches on
mild to moderate street or race engines
• Designed after our custom billets and
made from SCAT’s exclusive space-age
9000 material

PART NO. Stroke Rod Length ROD PIN Wt.*
HOLDEN SERIES 9000 CAST STROKER LIGHTWEIGHT CRANKSHAFTS
930810 $537.25 3.480 5.627 2.124 52
930820 $537.25 3.480 5.700 2.100 50
HOLDEN BILLET STROKER LIGHTWEIGHT CRANKSHAFTS
8830810 3.750 5.850 2.000 52
8830820 4.000 5.850 2.000 50

(*) Weights (lbs) are approximate, actuals may vary.

PART NO. Desc. PART NO. Rod Length ROD PIN WRIST PIN B.E. WIDTH
HOLDEN PRO SPORT H-BEAM CONNECTING RODS
65627 $948.98 Bushed 65627A $1,038.02 1,038.02 5.627 2.124 0.927 0.880
65700 Bushed 65700A 5.700 2.124 0.927 0.880
ARP 8740 7/16" CAP SCREWS ARP 2000 7/16" CAP SCREWS
PART NO. Desc. PART NO. ROD PIN CRANK PIN WRIST PIN B.E. WIDTH
HOLDEN FORGED 4340 PRO SERIES I-BEAM
CONNECTING RODS
2570012 $579.02 Bushed 2570012A $731.58 731.58 5.700 2.124 0.927 0.880
25700 $581.78 Bushed 25700A $689.80 689.80 5.700 2.100 0.927 0.940
25700P $552.10 Pressed 25700PA $661.41 661.41 5.700 2.100 0.927 0.940
ARP 8740 3/8" Cap Screws » ARP 2000 3/8" CAP SCREWS

(*) Weights (lbs) are approximate, actuals may vary.


Page 18
FORD
SERIES 9000 CAST LIGHTWEIGHT CRANKSHAFTS

FEATURES & BENEFITS
• Precision ground and micropolished
• A perfect way to increase cubic inches on
mild to moderate street or race engines
• Designed after our custom billets and made
from SCAT’s exclusive space-age 9000
material

PART NO. Desc. Stroke Rod Length ROD PIN Wt.* TECH NOTES
93022 $421.13 302 3.250 5.400 2.123 42 External 28 Oz Balancer
93023 $421.13 302 3.400 5.400 2.123 42 External 28 Oz Balancer
FORD SMALL BLOCK 3.000" MAIN, WINDSOR
9351W10 $607.42 351 Windsor 3.850 5.955 2.311 58 External 28 Oz Balancer
9351W12 $606.10 351 Windsor 3.850 6.200 2.100 54 Neutral Bal Int, May Require Mallory
9351W46 $606.10 351 Windsor 4.000 6.000 2.100 52 External 28 Oz Balancer
9351W48 $606.10 351 Windsor 4.000 6.200 2.100 54 Neutral Bal Int, May Require Mallory
FORD SMALL BLOCK 2.750" MAIN, CLEVELAND
9351C30 $618.15 351 Cleveland 3.850 5.955 2.100 50 External 28 Oz Balancer
9351C46 $618.15 351 Cleveland 4.000 6.000 2.100 51 External 28 Oz Balancer
946041 $695.09 460 4.150 6.700 2.200 72 Internal Balance
946043 $695.09 460 4.300 6.700 2.200 74 Internal Balance, May Require Mallory
946045 $695.09 460 4.500 6.700 2.200 74 Internal Balance, May Require Mallory
FORD FE SERIES 9000 CAST LIGHTWEIGHT STROKER CRANKSHAFTS
9FE100 $912.53 428 4.125 6.700 2.200 60 Internal Balance, May Require Mallory
9FE200 $912.53 428 4.250 6.700 2.200 60 Internal Balance, May Require Mallory
CHRYSLER 340 & 360 SERIES 9000 CAST LIGHTWEIGHT STROKER CRANKSHAFTS
934020 $637.13 340 (**) 4.000 6.123 2.125 54 Internal Balance, May Require Mallory
936020 $637.13 360 (**) 4.000 6.123 2.125 56 Internal Balance, May Require Mallory
(*) Weights (lbs) are approximate, actuals may vary. (**) Crankshafts Pilot Bearing I. D. 1.090" Use Dorman Part Number 690-014-1


Page 19
Chevrolet
4340 FORGED STANDARD WEIGHT CRANKSHAFTS


FEATURES & BENEFITS
• Precision ground, heat treated and nitride hardened for
superior wear resistance
SHORT NO. Desc. Stroke Rod Length ROD PIN Wht.
*		 TECH NOTES
305 SPRINT CAR, IMCA
430510-1 $1,244.57 305 Sprint 3.480 5.700 2.100 48 Internal Balance
430520-1 $1,244.57 305 Sprint 3.500 5.700 2.100 48 Internal Balance
435010-1 IMCA (**) 3.480 5.700 2.100 50 Internal Balance
(**) No lightening holes in journals 2 and 3
350 MAIN - 2 PC REAR SEAL
435005 $1,298.55 350 2-Pc Rear Seal 3.000 5.700 2.100 50 Internal Balance
435006 $1,191.90 350 2-Pc Rear Seal 3.250 5.700 2.100 48 Internal Balance
435010-20 $1,411.99 350 2-Pc Rear Seal 3.480 5.700 2.000 51 Internal Balance
435010 $1,191.90 350 2-Pc Rear Seal 3.480 5.700 2.100 51 Internal Balance
435020-20 $1,411.99 350 2-Pc Rear Seal 3.500 5.700 2.000 51 Internal Balance
435020 $1,191.90 350 2-Pc Rear Seal 3.500 5.700 2.100 51 Internal Balance
435030 $1,191.90 350 2-Pc Rear Seal 3.562 5.700 2.100 51 Internal Balance
435040 $1,191.90 350 2-Pc Rear Seal 3.625 5.700 2.100 52 Internal Balance
435050 $1,191.90 350 2-Pc Rear Seal 3.750 5.700 2.100 52 Internal Balance
435056-20 350 2-Pc Rear Seal 3.750 6.000 2.000 53 Internal Balance
435056 $1,191.90 350 2-Pc Rear Seal 3.750 6.000 2.100 53 Internal Balance
435066-20 350 2-Pc Rear Seal 3.800 6.000 2.000 53 Internal Balance
435066 350 2-Pc Rear Seal 3.800 6.000 2.100 53 Internal Balance
435076 $1,191.90 350 2-Pc Rear Seal 3.875 6.000 2.100 53 Internal Balance
435086 $1,191.90 350 2-Pc Rear Seal 4.000 6.000 2.100 54 Internal Balance
400 MAIN - 2 PC REAR SEAL
440020 350 2-Pc Rear Seal 3.500 5.700 2.100 54 Internal Balance
440050 $1,191.90 350 2-Pc Rear Seal 3.750 5.700 2.100 54 Internal Balance
440056 $1,191.90 350 2-Pc Rear Seal 3.750 6.000 2.100 55 Internal Balance
440066-20 350 2-Pc Rear Seal 3.800 6.000 2.000 55 Internal Balance
440066 350 2-Pc Rear Seal 3.800 6.000 2.100 55 Internal Balance
440076 $1,191.90 350 2-Pc Rear Seal 3.875 6.000 2.100 56 Internal Balance
440086 $1,191.90 350 2-Pc Rear Seal 4.000 6.000 2.100 56 Internal Balance

 

Page 20
CHEVROLET
4340 FORGED F-43 SERIES COMPETITION CRANKS


ADDED MATERIAL FOR
INCREASED STRENGTH
ON ALL THROWS.
FEATURES & BENEFITS
• Shot peened, heat treated,
precision ground & ion nitride for
superior strength

SHORT NO. Desc. Stroke Rod Length ROD PIN Wht.
*		 TECH NOTES
435011LW $1,614.41 350 2-Pc Rear Seal 3.335 5.700 2.000 42-43 Internal Balance
435020LW $1,614.41 350 2-Pc Rear Seal 3.480 5.700 1.888 42-43 Internal Balance
435021LW $1,614.41 350 2-Pc Rear Seal 3.480 5.700 2.000 43-44 Internal Balance
435022LW $1,614.41 350 2-Pc Rear Seal 3.480 5.700 2.100 44-45 Internal Balance
435030LW $1,614.41 350 2-Pc Rear Seal 3.500 5.700 1.888 40-41 Internal Balance
435031LW $1,614.41 350 2-Pc Rear Seal 3.500 5.700 2.000 43-44 Internal Balance
435032LW $1,614.41 350 2-Pc Rear Seal 3.500 5.700 2.100 44-45 Internal Balance
435041LW 350 2-Pc Rear Seal 3.562 5.700 2.000 43-44 Internal Balance
435041LW 350 2-Pc Rear Seal 3.562 5.850 2.000 43-44 Internal Balance
435051LW $1,614.41 350 2-Pc Rear Seal 3.625 5.850 2.000 43-44 Internal Balance
435061LW $1,614.41 350 2-Pc Rear Seal 3.750 6.000 2.000 44-45 Internal Balance
435062LW $1,614.41 350 2-Pc Rear Seal 3.750 6.000 2.100 45-46 Internal Balance
435065LW $1,614.41 350 2-Pc Rear Seal 3.875 6.000 2.000 45-47 Internal Balance
435072LW $1,614.41 350 2-Pc Rear Seal 4.000 6.000 2.100 45-47 Internal Balance
440072LW $1,614.41 400 2-Pc Rear Seal 4.000 6.000 2.100 47-48 Internal Balance

(*) Weights (lbs) are approximate, actuals may vary.
NEED RODS? ULTRA-LITES ARE ON PAGE 12.

 

Page 21
LS CHEVROLET
STANDARD WEIGHT & PRO SERIES 4340 FORGED

FEATURES & BENEFITS

• Shot peened, heat treated, precision ground & ion
nitride for superior strength
• Rough balanced and reluctor wheel installed
• Keyway cut for damper
• 24 tooth reluctor wheel (2005 & prior) engines
• 58 tooth reluctor wheel (2006 +) engines
SHORT NO. Fly- wheel Bolt Stroke Rod Length ROD PIN Wht.
*		 TECH NOTES
LS SERIES - STREET - 6-BOLT FORGED 4340 Standard WEIGHT
4LS140062-S 6-Bolt 4.000 6.000 2.100 48 24-Tooth Reluctor Wheel
4LS140065-S 6-Bolt 4.000 6.000 2.100 48 58-Tooth Reluctor Wheel
LS SERIES - SUPERSTOCK COMPETITION & SUPERCHARGED - 6-BOLT FORGED 4340 Standard WEIGHT
4LS136262 $1,341.82 6-Bolt 3.622 6.125 2.100 48 24-Tooth Reluctor Wheel
4LS136365 $1,341.82 6-Bolt 3.622 6.125 2.100 48 58-Tooth Reluctor Wheel
4LS140062 $1,540.27 6-Bolt 4.000 6.125 2.100 50 24-Tooth Reluctor Wheel
4LS140065 $1,545.68 6-Bolt 4.000 6.125 2.100 50 58-Tooth Reluctor Wheel
4LS141262 $1,642.80 6-Bolt 4.125 6.125 2.100 52 24-Tooth Reluctor Wheel
4LS141265 $1,642.80 6-Bolt 4.125 6.125 2.100 52 58-Tooth Reluctor Wheel
4LS142562 $1,792.72 6-Bolt 4.250 6.125 2.100 54 24-Tooth Reluctor Wheel
4LS142565 $1,792.72 6-Bolt 4.250 6.125 2.100 54 58-Tooth Reluctor Wheel
LS SERIES - LS7 - 6-BOLT FORGED 4340 Standard WEIGHT
4LS740062 $1,602.36 6-Bolt 4.000" 6.125" 2.100 50 24-Tooth Reluctor Wheel
4LS740065 $1,602.36 6-Bolt 4.000" 6.125" 2.100 50 58-Tooth Reluctor Wheel
4LS741262 $1,602.36 6-Bolt 4.125" 6.125" 2.100 52 24-Tooth Reluctor Wheel
4LS741265 $1,602.36 6-Bolt 4.125" 6.125" 2.100 52 58-Tooth Reluctor Wheel
LT1 SERIES - 8 BOLT FORGED 4340 Standard WEIGHT
4LT140065 8-Bolt 4.000 6.125 2.100 50 58-Tooth Reluctor Wheel NEW
4LT141265 8-Bolt 4.125 6.125 2.100 50 58-Tooth Recluctor Wheel NEW
LT1 SERIES - DRY SUMP NOSE - 8-BOLT FORGED 4340 STANDARD WEIGHT
4LT140065-DS 8-Bolt 4.000 6.125 2.100 50 58-Tooth Recluctor Wheel NEW
4LT141265-DS 8-Bolt 4.125 6.125 2.100 50 58-Tooth Recluctor Wheel NEW

CAN ALSO BE MACHINED IN BILLET, SEE PAGE 37.

 

Page 22
CHEVROLET
STANDARD WEIGHT, W/ & W/O
CENTER COUNTERWEIGHTS
CHEVY BIG BLOCK
SHORT NO. Desc. CRANK Stroke Rod Length ROD PIN Wht.
*		 TECH NOTES
CHEVY 409 - 2 PC REAR SEAL
440910 $1,636.04 409 2-Piece Rear Seal 4.000 6.135 2.200 68 External Balance
BIG BLOCK CHEVY 8.1L WITHOUT CENTER COUNTERWEIGHTS - 1 PC REAR SEAL
481029 $1,522.61 8.1L 1-Piece Rear Seal 4.375 6.700 2.200 72 Internal Balance
BIG BLOCK CHEVY 454 MAIN WITHOUT CENTER COUNTERWEIGHTS - 2 PC REAR SEAL
445410 $1,401.25 454 2-Piece Rear Seal 4.000 6.135 2.200 68 External Balance
445415 $1,401.25 454 2-Piece Rear Seal 4.000 6.385 2.200 70 Internal Balance
445420 $1,401.25 454 2-Piece Rear Seal 4.250 6.135 2.200 68 External Balance
445425 $1,401.25 454 2-Piece Rear Seal 4.250 6.385 2.200 70 Internal Balance
445426 $1,401.25 454 2-Piece Rear Seal 4.375 6.385 2.200 66 Internal Balance
445428 $1,401.25 454 2-Piece Rear Seal 4.375 6.535 2.200 66 Internal Balance
445430 $1,401.25 454 2-Piece Rear Seal 4.500 6.535 2.200 72 Internal Balance
445440 $1,422.72 454 2-Piece Rear Seal 4.750 6.700 2.200 68 Internal Balance
BIG BLOCK CHEVY 454 MAIN WITHOUT CENTER COUNTERWEIGHTS -1 PC REAR SEAL
445410L $1,420.08 454 1-Piece Rear Seal 4.000 6.135 2.200 70 External Balance
445420L $1,420.08 454 1-Piece Rear Seal 4.250 6.135 2.200 70 External Balance
445425L $1,420.08 454 1-Piece Rear Seal 4.250 6.385 2.200 71 Internal Balance
445430L $1,420.08 454 1-Piece Rear Seal 4.500 6.535 2.200 72 Internal Balance
(*) Weights (lbs) are approximate, actuals may vary.
.
SHORT NO. Desc. CRANK- Stroke Rod Length ROD PIN Wht.
*		 TECH NOTES
BIG BLOCK CHEVY 454 WITH CENTER COUNTERWEIGHTS - 2 PC REAR SEAL
445405C $1,525.42 1,525.42 454 2-Pc W/Center CWT’s 3.766 6.135 2.200 72 Internal Balance
445415C $1,525.42 454 2-Pc W/Center CWT’s 4.000 6.385 2.200 74 Internal Balance
445425C $1,525.42 454 2-Pc W/Center CWT’s 4.250 6.385 2.200 74 Internal Balance
445426C $1,525.42 454 2-Pc W/Center CWT’s 4.375 6.385 2.200 74 Internal Balance
445430C $1,525.42 454 2-Pc W/Center CWT’s 4.500 6.535 2.200 75 Internal Balance
445435C $1,525.42 454 2-Pc W/Center CWT’s 4.625 6.535 2.200 75 Internal Balance
445440C $1,525.42 454 2-Pc W/Center CWT’s 4.750 6.700 2.200 76 Internal Balance

(*) Weights (lbs) are approximate, actuals may vary.
LOOKING FOR BIG BLOCK CENTER CW LIGHTWEIGHT? SEE PAGE 29.

 

Page 23
FORD
4340 FORGED STANDARD WEIGHT CRANKS

FEATURES & BENEFITS
• Precision ground heat treated & shot peened
• Nitride hardened for superior wear resistance
• Inspected & micro polished at SCAT Ent.
• Straight shot oil holes
• Large radius on all rod journals
SHORT NO. Desc. Stroke Rod Length ROD PIN Wht.
*		 TECH NOTES
FORD SMALL BLOCK 302
43021-I 302 3.000 5.090 2.123 45 Internal Balance, May Req. Heavy Metal
43015-I 302, for 5.155" & longer 3.000 5.155 2.123 47 Internal Balance, May Req. Heavy Metal NEW
43022-I 302 3.250 5.400 2.123 47 Internal Balance, May Req Heavy Metal
43023-I 302 3.400 5.400 2.123 47 Internal Balance, May Req Heavy Metal
43021 $1,147.50 302 3.000 5.090 2.123 44 External 28oz Balancer
43022 $1,146.00 302 3.250 5.400 2.123 46 External 28oz Balancer
43023 $1,146.00 302 3.400 5.400 2.123 46 External 28oz Balancer
43011 302 3.000 5.400 2.100 47 Internal Balance
43012 $1,146.00 302 3.250 5.400 2.100 48 Internal Balance
43013 302 3.400 5.400 2.100 48 External 28oz Balancer
FORD 351 SMALL BLOCK 2.750" MAIN, CLEVELAND, DART, WORLD & FORD RACING BLOCKS
4351C16 $1,302.68 351 Cleveland 3.500 6.000 2.100 54 Internal Balance
4351C26 $1,302.68 351 Cleveland 3.750 6.000 2.100 54 Can Int Bal, May Req Heavy Metal
4351C36 $1,302.68 351 Cleveland 3.850 6.000 2.100 55 Can Int Bal, May Req Heavy Metal
4351C45 $1,302.68 351 Cleveland 3.850 6.200 2.100 56 Can Int Bal, May Req Heavy Metal
4351C46 $1,302.68 351 Cleveland 4.000 6.000 2.100 56 Can Int Bal, May Req Heavy Metal
4351C50 $1,302.68 351 Cleveland 4.000 6.200 2.100 56 Can Int Bal, May Req Heavy Metal
4351C60 $1,302.68 351 Cleveland 4.100 6.200 2.100 56 Can Int Bal, May Req Heavy Metal
4351C62 $1,302.68 351 Cleveland 4.250 6.125 2.100 56 Can Int Bal, May Req Heavy Metal
4351C65 $1,302.68 351 Cleveland 4.250 6.200 2.100 57 Can Int Bal, May Req Heavy Metal
Note: SCAT otters special timing gear sets to adapt cranks to fit Cleveland engine block: Part #TCS10115 $323.92 323.92 (rollmaster perf.)
.
FORD 351 SMALL BLOCK 3.000" MAIN, WINDSOR
4351W16 $1,302.68 351 Windsor 3.500 6.000 2.100 58 Internal Balance
4351W26 351 Windsor 3.750 6.000 2.100 58 Can Int Bal, May Req Heavy Metal
4351W40 351 Windsor 3.850 6.125 2.100 58 Can Int Bal, May Req Heavy Metal
4351W45 $1,302.68 351 Windsor 3.850 6.200 2.100 58 Can Int Bal, May Req Heavy Metal
4351W50 $1,302.68 351 Windsor 4.000 6.200 2.100 58 Can Int Bal, May Req Heavy Metal
4351W60 $1,302.68 351 Windsor 4.100 6.200 2.100 59 Can Int Bal, May Req Heavy Metal
FORD BOSS 429 & 460 BIG BLOCK
44294300 $1,625.31 Boss 429 Nose 4.300 6.700 2.200 83 Can Int Bal, May Req Heavy Metal
44294500 $1,614.53 Boss 429 Nose 4.500 6.700 2.200 84 Can Int Bal, May Req Heavy Metal
44604150 $1,614.53 460 4.150 6.700 2.200 82 Can Int Bal, May Req Heavy Metal
44604300 $1,614.53 460 4.300 6.700 2.200 84 Can Int Bal, May Req Heavy Metal
44604500 $1,614.53 460 4.500 6.700 2.200 85 Can Int Bal, May Req Heavy Metal

(*) Weights (lbs) are approximate, actuals may vary.

 

Page 24
CHRYSLER
4340 FORGED STANDARD WEIGHT CRANKS

FEATURES & BENEFITS
• Precision ground and nitrided hardened
for superior wear resistance heat treated for strength

SMALL BLOCK CHRYSLER 340
SHORT NUMBER Desc. Stroke Rod Lgth ROD PIN Pin Width Wht.
*		 TECH NOTES
434010 $1,308.15 . 3.580 6.123 2.125 1.875 58 Int Bal, May Req Heavy Metal
434020 $1,308.15 . 4.000 6.123 2.125 1.875 58 Int Bal, May Req Heavy Metal
SMALL BLOCK CHRYSLER 360
436010 $1,308.15 . 3.580 6.123 2.125 1.875 60 Int Bal, May Req Heavy Metal
436020 $1,308.15 . 4.000 6.123 2.125 1.875 60 Int Bal, May Req Heavy Metal
"B" BLOCK WEDGE 383-400
438310 $1,715.78 Chrys. Pin 3.750 6.760 2.374 2.048 61 6-Bolt Flywheel Flange
438320 $1,715.78 Chrys. Pin 4.150 6.760 2.374 2.048 62 6-Bolt Flywheel Flange
MODERN HEMI 5.7/6.1
4HEMI37910 $1,525.42 392 Cubic Inch 3.795 6.125 2.100 1.900 56 * Hemi Crankshafts Do Not Include Reluctor Wheel. Use O.E.M. Chrysler Part Or Mopar Performance Unit.
4HEMI39010 426 Cubic Inch 3.900 6.125 2.000 1.900 56
4HEMI40510 426 Cubic Inch 4.050 6.125 2.000 1.900 52
"RB" BLOCK WEDGE & LATE HEMI
4426010 $1,633.39 Chrys. Pin 3.750 6.760 2.374 2.048 69 8-Bolt Flywheel Flange
4426011 $1,633.39 Chrys. Pin 3.763 6.760 2.374 2.048 69 8-Bolt Flywheel Flange NEW
4426013 $1,633.39 Chevy Pin 4.150 6.800 2.200 2.008 68 8-Bolt Flywheel Flange
4426014 $1,633.39 Chrys. Pin 4.150 6.760 2.374 2.048 70 8-Bolt Flywheel Flange
4426015 $1,633.39 Chevy Pin 4.250 6.800 2.200 2.008 69 8-Bolt Flywheel Flange
4426018 $1,633.39 Chevy Pin 4.500 6.800 2.200 2.008 73 8-Bolt Flywheel Flange
4426020 $1,633.39 Chrys. Pin 4.500 6.860 2.374 2.048 73 8-Bolt Flywheel Flange
444010 $1,633.39 Chrys. Pin 3.750 6.760 2.374 2.048 69 6-Bolt Flywheel Flange
444014 $1,633.39 Chrys. Pin 4.150 6.760 2.200 2.048 70 6-Bolt Flywheel Flange
444020 $1,633.39 Chrys. Pin 4.500 6.760 2.374 2.048 73 6-Bolt Flywheel Flange

(*) Weights (lbs) are approximate, actuals may vary


Page 25
FULL RACE SERIES CRANKSHAFTS
SCAT Full Race Series Crankshafts are machined in-house using premium Non-Twist
single plane 4340 Forgings. Precision, Durability & Quality is our main focus. In our
50 years of perfecting the art, we have tried & tested just about every combination. In
addition to our Forged offerings, the SCAT Exclusive Billet line-up includes 100% inhouse
design & machining from start to finish using materials such as 4340 Billet or
EN30b. These crankshafts are fully customized to your needs. Like our Forgings, each
crankshaft is skillfully machined, precision finished, Ion-Nitrided & Heat-Treated for
superior quality, extreme strength & durability. Our machining abilities cover anything
within 43” Length x 10” Diameter. Using only state-of-the-art equipment and advance
techniques, SCAT is able to offer the automotive aftermarket World Class, race proven
Forged & Billet crankshafts.
PRO SERIES LIGHTWEIGHT

PAGES 26, 27, 29, 30, 32
Manufactured From Non-Twist
Single Plane 4340 Forgings
• Straight Shot & Chamfered Oil Holes
• Large Radius on All Journals
• Lightening Holes in All Rod Journals
• Aero Wing Counterweights
• Precision Ground, Heat Treated and Nitrided for
Superior Wear Resistance
• All popular engines, strokes and rod sizes
SUPERLIGHT SERIES

PAGES 28, 29, 31, 33
Manufactured From Non-Twist
Single Plane 4340 Forgings
• Straight Shot & Chamfered Oil Holes
• Large Radius on All Journals
• Lightening Holes in All Rod Journals
• Aero Wing Counterweights
• Pendulum Undercut Counterweights
• Bridged for Increased Strength
• Precision Ground, Heat Treated and Nitrided for
Superior Wear Resistance
• All popular engines, strokes and rod sizes
CUSTOM FORGED & BILLETS

PAGES 34-41
Manufactured from Premium
4340 or EN30b Billet Bar Stock
SCAT’s custom crankshafts are available in Billet
and Forged Alloy materials. Models include Small
Block & Big Block Chevy, Small Block & Big Block
Ford, Ford FE, Ford Flathead, Pontiac, Chrysler,
Sport Compacts and even applications such as
John Deere, Antiques, Industrial and many more.

Page 26
CHEVROLET FULL RACE SERIES
SMALL BLOCK CHEVY BIG BLOCK POST

Romac lightweight dampers made
exclusively for SCAT’s Small Block
Chevy, Big Block Post. Refer to page
43 for Romac Dampers

SHORT NO. Desc. Stroke Rod Length ROD PIN TECH NOTES
350 MAIN - 2 PC REAR SEAL
773502018 $4,252.34 350 2-Pc Rear Seal 3.500 5.700 1.888 Internal Balance
773502020 $4,252.34 350 2-Pc Rear Seal  3.500 5.700 2.000  Internal Balance
773502021 $4,252.34 350 2-Pc Rear Seal 3.500  5.700 2.100 Internal Balance
773505620 $4,252.34 350 2-Pc Rear Seal 3.750 6.000 2.000 Internal Balance
773505621 $4,275.29 350 2-Pc Rear Seal 3.750 6.000 2.100 Internal Balance
773505418 $4,252.34 350 2-Pc Rear Seal 3.800 5.850 1.888 Internal Balance
773505420 $4,252.34 350 2-Pc Rear Seal 3.800 5.850 2.000 Internal Balance
773507620 $4,275.29 350 2-Pc Rear Seal 3.875 6.000 2.000 Internal Balance
773507621 $4,275.29 350 2-Pc Rear Seal 3.875 6.000 2.100 Internal Balance
773508620 $4,275.29 350 2-Pc Rear Sea 4.000 6.000 2.000 Internal Balance
773508621 $4,275.29 350 2-Pc Rear Sea 4.000 6.000 2.100 Internal Balance
 400 MAIN - 2 PC REAR SEAL
774005621 $4,252.34 400 2-Pc Rear Seal 3.750 6.000 2.100 Internal Balance
774005418 $4,252.34 400 2-Pc Rear Seal 3.800 5.850 1.888 Internal Balance
774005420 $4,275.29 400 2-Pc Rear Seal 3.800 5.850 2.000 Internal Balance
774007620 $4,252.34 400 2-Pc Rear Seal 3.875 6.000 2.000 Internal Balance
774007621 $4,252.34 400 2-Pc Rear Seal 3.875 6.000 2.100 Internal Balance
774008620 $4,275.29 400 2-Pc Rear Seal 4.00 6.000 2.000 Internal Balance
774008621 $4,275.29 400 2-Pc Rear Seal 4.00 6.000 2.100 Internal Balance

Page 27
FULL RACE SERIES
CHEVY SMALL BLOCK 4340 FORGED
PRO SERIES LIGHT WEIGHT CRANKSHAFTS

SHORT NO. Desc. Stroke Rod Length ROD PIN Wht.
*		 TECH NOTES
350 MAIN - 2 PC REAR SEAL - EARLY
435018-2 $3,237.25 350 2-Pc Rear Seal 3.480 5.700 1.888 44 Internal Balance
435012-2 $3,237.25 350 2-Pc Rear Seal 3.480 5.700 2.000 45 Internal Balance
435010-2 $3,125.14 350 2-Pc Rear Seal 3.480 5.700 2.100 46 Internal Balance
435028-2 $3,216.94 350 2-Pc Rear Seal 3.500 5.700 1.888 45 Internal Balance
435022-2 $3,237.25 350 2-Pc Rear Seal 3.500 5.700 2.000 45 Internal Balance
435020-2 $3,125.14 350 2-Pc Rear Seal 3.500 5.700 2.100 46 Internal Balance
435032-2 $3,239.89 350 2-Pc Rear Seal 3.562 5.700 2.000 46 Internal Balance
435030-2 $3,125.14 350 2-Pc Rear Seal 3.562 5.700 2.100 46 Internal Balance
435040-2 350 2-Pc Rear Seal 3.625 5.700 2.100 46 Internal Balance
435052-2 $3,239.89 350 2-Pc Rear Seal 3.750 5.700 2.000 46 Internal Balance
435050-2 $3,125.14 350 2-Pc Rear Seal 3.750 5.700 2.100 46 Internal Balance
435057-2 $3,239.89 350 2-Pc Rear Seal 3.750 6.000 2.000 47 Internal Balance
435056-2 $3,125.14 350 2-Pc Rear Seal 3.750 6.000 2.100 48 Internal Balance
435068-2 350 2-Pc Rear Seal 3.800 6.000 1.888 47 Internal Balance
435062-2 350 2-Pc Rear Seal 3.800 6.000 2.000 47 Internal Balance
435060-2 350 2-Pc Rear Seal 3.800 6.000 2.100 48 Internal Balance
435077-2 $3,239.89 350 2-Pc Rear Seal 3.875 6.000 2.000 47 Internal Balance
435076-2 $3,125.14 350 2-Pc Rear Seal 3.875 6.000 2.100 48 Internal Balance
435087-2 $3,239.89 350 2-Pc Rear Seal 4.000 6.000 2.000 48 Internal Balance
435086-2 $3,125.14 350 2-Pc Rear Seal 4.000 6.000 2.100 48 Internal Balance
400 MAIN - 2 PC REAR SEAL - EARLY
440026-2 $3,125.14 400 2-Pc Rear Seal 3.500 6.000 2.100 50 Internal Balance
440026-2 $3,125.14 400 2-Pc Rear Seal 3.500 6.000 2.100 50 Internal Balance
440050-2 $3,125.14 400 2-Pc Rear Seal 3.750 5.700 2.100 50 Internal Balance
440056-2 $3,125.14 400 2-Pc Rear Seal 3.750 6.000 2.100 50 Internal Balance
440068-2 400 2-Pc Rear Seal 3.800 6.000 1.888 49 Internal Balance
440067-2 400 2-Pc Rear Seal 3.800 6.000 2.000 49 Internal Balance
440066-2 400 2-Pc Rear Seal 3.800 6.000 2.100 50 Internal Balance
440077-2 $3,239.89 400 2-Pc Rear Seal 3.875 6.000 2.000 49 Internal Balance
440076-2 $3,125.14 400 2-Pc Rear Seal 3.875 6.000 2.100 50 Internal Balance
440087-2 $3,239.89 400 2-Pc Rear Seal 4.000 6.000 2.000 50 Internal Balance
440086-2 $3,125.14 400 2-Pc Rear Seal 4.000 6.000 2.100 50 Internal Balance
350 MAIN - 1 PC REAR SEAL - LATE
435012L-2 350 1-Pc Rear Seal 3.480 5.700 2.000 47 Internal Balance
435010L-2 350 1-Pc Rear Seal 3.480 5.700 2.100 48 Internal Balance
435022L-2 350 1-Pc Rear Seal 3.500 5.700 2.000 47 Internal Balance
435052L-2 350 1-Pc Rear Seal 3.750 5.700 2.000 48 Int Front, Ext Rear Bal
435050L-2 350 1-Pc Rear Seal 3.750 5.700 2.100 48 Int Front, Ext Rear Bal
435062L-2 350 1-Pc Rear Seal 3.800 5.700 2.000 50 Int Front, Ext Rear Bal
435066L-2 350 1-Pc Rear Seal 3.800 6.000 2.100 52 Internal Balance
435076L-2 350 1-Pc Rear Seal 3.875 6.000 2.100 52 Internal Balance


Page 28
CHEVROLET FULL RACE SERIES
SMALL BLOCK 4340 FORGED SUPERLIGHT CRANKSHAFT


SHORT NO. Desc. Stroke Rod Length ROD PIN Wht.
*		 TECH NOTES
350 MAIN - 2 PC REAR SEAL - EARLY
435008-3 $3,740.67 2-Pc Rear Seal 3.350 5.700 1.888 43  Internal Balance
4435007-3 2-Pc Rear Seal 3.350 5.700 2.000 44 Internal Balance
435018-3 $3,774.52 2-Pc Rear Seal 3.480 5.700 1.888 43 Internal Balance
435012-3 $3,760.98 2-Pc Rear Seal 3.480 5.700 2.000 44 Internal Balance
435028-3 $3,740.67 2-Pc Rear Seal 3.500 5.700 1.888 43 Internal Balance
435022-3 $3,763.62 2-Pc Rear Seal 3.500 5.700 2.000 44 Internal Balance
435032-3 $3,760.98 2-Pc Rear Seal 3.562 5.700 2.000 44 Internal Balance
435010-3 $3,760.98 2-Pc Rear Seal 3.480 5.700 2.100 44 Internal Balance
435020-3 $3,763.62 350 2-Pc Rear Seal 3.500 5.700 2.100 44 Internal Balance
435030-3 $3,763.62 2-Pc Rear Seal  3.562 5.700 2.100 44 Internal Balance
435052-3 $3,760.98 2-Pc Rear Seal  3.750 5.700 2.000 44 Internal Balance
435050-3 $3,783.93 2-Pc Rear Seal  3.750  5.700 2.100 44  Internal Balance
435056-3 $3,760.98 2-Pc Rear Seal  3.750 6.000 2.100 45 Internal Balance
435068-3 2-Pc Rear Seal  3.800 6.000 1.888 44 Internal Balance
35062-3 2-Pc Rear Seal  3.800  6.000 2.000 45 Internal Balance
435060-3 2-Pc Rear Seal  3.800 6.000 2.100 46 Internal Balance
435077-3 $3,763.62 2-Pc Rear Seal  3.875 6.000 2.000 45 Internal Balance
435076-3 $3,763.62 2-Pc Rear Seal  3.875 6.000 2.100 46 Internal Balance
435087-3 $3,763.62 2-Pc Rear Seal  4.000 6.000 2.000 46 Internal Balance
4435086-3 2-Pc Rear Seal  4.000 6.000 2.100 47 Internal Balance
400 MAIN - 2 PC REAR SEAL
440026-3 $3,763.62 400 2-Pc Rear Seal 3.500  6.000  2.100 47 Internal Balance
440050-3 $3,740.67 400 2-Pc Rear Seal 3.750 5.700 2.100 46 Internal Balance
440056-3 $3,763.62 400 2-Pc Rear Seal 3.750 6.000 2.100 47 Internal Balance
40068-3 400 2-Pc Rear Seal 3.800 6.000 1.888 46 Internal Balance
440067-3 400 2-Pc Rear Seal 3.800 6.000 2.000 47 Internal Balance
440066-3 400 2-Pc Rear Seal 3.800 6.000 2.100 48 Internal Balance
440076-3 $3,763.62 400 2-Pc Rear Seal 3.875 6.000 2.100 48 Internal Balance
440086-3 $3,763.62 400 2-Pc Rear Seal 4.000 6.000 2.100 49 Internal Balance
350 MAIN - 1 PC REAR SEAL - LATE
435010L-3 350 1-Pc Rear Seal 3.480 5.700 2.100 46 Internal Balance
435050L-3 350 1-Pc Rear Seal 3.750  5.700  2.100 46 Int Front External Rear Balance
435060L-3 350 1-Pc Rear Seal 3.800 5.700 2.100 46 Int Front External Rear Balance
435066L-3 350 1-Pc Rear Seal 3.800 6.000 2.100 47 Internal Balance
435076L-3 350 1-Pc Rear Seal  3.875 6.000 2.100 47 Internal Balance

(*) Weights (lbs) are approximate, actuals may vary.

 

Page 29
CHEVROLET FULL RACE SERIES
BIG BLOCK 4340 FORGED LIGHTWEIGHT &
SUPERLIGHT CRANKSHAFTS

SHORT NO. Desc. Stroke Rod Length ROD PIN Wht.
*		 TECH NOTES
CHEVY BIG BLOCK PRO SERIES LIGHTWEIGHT
BIG BLOCK CHEVY 454 MAIN WITHOUT COUNTERWEIGHTS - 2 PC REAR SEAL
445415-2 $3,866.32 454 2-Piece Rear Seal 4.000 6.385 2.200 62 Internal Balance
445425-2 $3,866.32 454 2-Piece Rear Seal 4.250 6.385 2.200 63 Internal Balance
445426-2 $3,866.32 454 2-Piece Rear Seal 4.375 6.385 2.200 63 Internal Balance
445430-2 $3,866.32 454 2-Piece Rear Seal 4.500 6.535 2.200 67 Internal Balance
445440-2 $3,866.32 454 2-Piece Rear Seal 4.750 6.700 2.200 65 Internal Balance
CHEVY BIG BLOCK FORGED SUPERLIGHTWEIGHT
BIG BLOCK CHEVY 454 MAIN WITHOUT CENTER COUNTER WEIGHTS - 2 PC REAR SEAL
445415-3 $4,438.75 454 2-Piece Rear Seal 4.000 6.385 2.200 59 Internal Balance
445425-3 $4,438.75 454 2-Piece Rear Seal 4.250 6.385 2.200 60 Internal Balance
445426-3 $4,438.75 454 2-Piece Rear Seal 4.375 6.385 2.200 63 Internal Balance
445430-3 $4,438.75 454 2-Piece Rear Seal 4.500 6.535 2.200 60 Internal Balance
445440-3 $4,438.75 454 2-Piece Rear Seal 4.750 6.700 2.200 58 Internal Balance
CHEVY BIG BLOCK PRO SERIES LIGHTWEIGHT WITH CENTER COUNTERWEIGHTS
445405C-2 454 2-Pc W/Center CWT’s 3.766 6.135 2.200 66 Internal Balance
445415C-2 454 2-Pc W/Center CWT’s 4.000 6.385 2.200 66 Internal Balance
445425C-2 454 2-Pc W/Center CWT’s 4.250 6.385 2.200 67 Internal Balance
445426C-2 454 2-Pc W/Center CWT’s 4.375 6.385 2.200 68 Internal Balance
445430C-2 454 2-Pc W/Center CWT’s 4.500 6.535 2.200 71 Internal Balance
445440C-2 454 2-Pc W/Center CWT’s 4.750 6.700 2.200 72 Internal Balance
.
CHEVY BIG BLOCK FORGED SUPERLIGHT WITH CENTER COUNTERWEIGHTS
445405C-3 454 2-Pc W/Center CWT’s 3.766 6.135 2.200 61 Internal Balance
445415C-3 454 2-Pc W/Center CWT’s 4.000 6.385 2.200 62 Internal Balance
445425C-3 454 2-Pc W/Center CWT’s 4.250 6.385 2.200 64 Internal Balance
445426C-3 454 2-Pc W/Center CWT’s 4.375 6.385 2.200 65 Internal Balance
445430C-3 454 2-Pc W/Center CWT’s 4.500 6.535 2.200 65 Internal Balance
445440C-3 454 2-Pc W/Center CWT’s 4.750 6.700 2.200 68 Internal Balance

 

Page 30
FORD FULL RACE SERIES
FORGED 4340 PRO SERIES LIGHTWEIGHT CRANKSHAFTS

FEATURES & BENEFITS
• Precision ground, heat treated & shot peened
• Nitride hardened for superior wear resistance
• Inspected & micropolished at SCAT
• Designed and engineered by SCAT

SHORT NO. Desc. Stroke Rod Length ROD PIN Wht.
*		 TECH NOTES
FORD SMALL BLOCK 302
43021-2 $3,072.48 302 3.000 5.400 2.123 42 Internal Balance
43022-2 $3,069.83 302 3.250 5.400 2.123 44 Use 28 Oz Balancer
43023-2 $3,069.83 302 3.400 5.400 2.123 44 Use 28 Oz Balancer
FORD 351 SMALL BLOCK 2.750" MAIN, CLEVELAND, DART, WORLD & FORD RACING BLOCKS
4351C16-2 $3,243.98 351 Cleveland Main 3.500 6.000 2.100 46 Can Int Bal, May Req Heavy Metal
4351C36-2 $3,243.98 351 Cleveland Main 3.850 6.000 2.100 48 Can Int Bal, May Req Heavy Metal
4351C45-2 $3,243.98 351 Cleveland Main 3.850 6.200 2.100 49 Can Int Bal, May Req Heavy Metal
4351C46-2 $3,243.98 351 Cleveland Main 4.000 6.000 2.100 48 Can Int Bal, May Req Heavy Metal
4351C50-2 $3,243.98 351 Cleveland Main 4.000 6.200 2.100 50 Can Int Bal, May Req Heavy Metal
4351C60-2 $3,243.98 351 Cleveland Main 4.100 6.200 2.100 50 Can Int Bal, May Req Heavy Metal
4351C65-2 $3,243.98 351 Cleveland Main 4.250 6.200 2.100 50 Can Int Bal, May Req Heavy Metal
4351C66-2 351 Cleveland Main 4.250 6.250 2.100 50 Can Int Bal, May Req Heavy Metal
Note: SCAT otters special timing gear sets to adapt cranks to fit Cleveland engine block: Part #CS10115 (rollmaster perf.)
.
FORD SMALL BLOCK 3.000" MAIN, WINDSOR
4351W16-2 $3,243.98 351 Windsor 3.500 6.000 2.100 48 Can Int Bal, May Req Heavy Metal
4351W40-2 351 Windsor 3.850 6.125 2.100 50 Can Int Bal, May Req Heavy Metal
4351W45-2 $3,243.98 351 Windsor 3.850 6.200 2.100 51 Can Int Bal, May Req Heavy Metal
4351W50-2 $3,243.98 351 Windsor 4.000 6.200 2.100 52 Can Int Bal, May Req Heavy Metal
4351W60-2 $3,243.98 351 Windsor 4.100 6.200 2.100 52 Can Int Bal, May Req Heavy Metal
FORD BOSS 429 & 460 BIG BLOCK
44294300-2 $3,805.56 Boss 429 Nose 4.300 6.700 2.200 72 Can Int Bal, May Req Heavy Metal
44294500-2 $3,805.56 Boss 429 Nose 4.500 6.700 2.200 72 Can Int Bal, May Req Heavy Metal
44604150-2 $3,805.56 460 4.150 6.700 2.200 73 Can Int Bal, May Req Heavy Metal
44604300-2 $3,805.56 460 4.300 6.700 2.200 74 Can Int Bal, May Req Heavy Metal
44604500-2 $3,805.56 460 4.500 6.700 2.200 74 Can Int Bal, May Req Heavy Metal

(*) Weights (lbs) are approximate, actuals may vary.

 

Page 31
FORD 302 / 351 / 429 / 460
FULL RACE SERIES
FORGED 4340 SUPERLIGHT CRANKSHAFTS

FEATURES & BENEFITS
• Precision ground & nitride hardened for superior wear resistance
• CNC machined for absolute tolerances and symmetry for ease of
balance and for reduced rotating weight

SHORT NO. Desc. Stroke Rod Length ROD PIN Wht.
*		 TECH NOTES
FORD SMALL BLOCK 302
43021-3 $3,609.74 302 3.000 5.400 2.123 42 Internal Balance
43022-3 $3,628.72 302 3.250 5.400 2.123 40 External Use 28oz Balancer
43023-3 $3,628.72 302 3.400 5.400 2.123 40 External Use 28oz Balancer
FORD 351 SMALL BLOCK 2.750" MAIN, CLEVELAND, DART, WORLD & FORD RACING BLOCKS
4351C16-3 $3,782.61 3,782.61 351 Cleveland Main 3.500 6.000 2.100 44 Can Int Bal, May Req Heavy Metal
4351C36-3 $3,782.61 351 Cleveland Main 3.850 6.000 2.100 44 Can Int Bal, May Req Heavy Metal
4351C46-3 $3,758.33 351 Cleveland Main 4.000 6.000 2.100 45 Can Int Bal, May Req Heavy Metal
4351C50-3 $3,775.84 351 Cleveland Main 4.000 6.200 2.100 45 Can Int Bal, May Req Heavy Metal
4351C60-3 $3,782.61 351 Cleveland Main 4.100 6.200 2.100 47 Can Int Bal, May Req Heavy Metal
4351C65-3 351 Cleveland Main 4.250 6.250 2.100 47 Can Int Bal, May Req Heavy Metal
4351C66-3 351 Cleveland Main 4.250 6.250 2.100 47 Can Int Bal, May Req Heavy Metal
Note: SCAT otters special timing gear sets to adapt cranks to fit Cleveland engine block: Part #CS10115 (rollmaster perf.)
.
FORD 351 SMALL BLOCK 3.000" MAIN, WINDSOR
4351W16-3 $3,782.61 3,782.61 351 Windsor 3.500 6.000 2.100 49 Can Int Bal, May Req Heavy Metal
4351W40-3 351 Windsor 3.850 6.125 2.100 50 Can Int Bal, May Req Heavy Metal
4351W45-3 $3,782.61 351 Windsor 3.850 6.200 2.100 50 Can Int Bal, May Req Heavy Metal
4351W50-3 $3,782.61 351 Windsor 4.000 6.200 2.100 51 Can Int Bal, May Req Heavy Metal
4351W60-3 $3,782.61 351 Windsor 4.100 6.200 2.100 51 Can Int Bal, May Req Heavy Metal
FORD BOSS 429 & 460 BIG BLOCK
44294300-3 $4,449.48 4,449.48 Boss 429 Nose 4.300 6.700 2.200 68 Can Int Bal, May Req Heavy Metal
44294500-3 $4,449.48 Boss 429 Nose 4.500 6.700 2.200 68 Can Int Bal, May Req Heavy Metal
44604150-3 $4,449.48 460 4.150 6.700 2.200 69 Can Int Bal, May Req Heavy Metal
44604300-3 $4,449.48 460 4.300 6.700 2.200 70 Can Int Bal, May Req Heavy Metal
44604500-3 $4,449.48 460 4.500 6.700 2.200 71 Can Int Bal, May Req Heavy Metal

(*) Weights (lbs) are approximate, actuals may vary.

 

Page 32
CHRYSLER FULL RACE SERIES
4340 FORGED PRO SERIES LIGHTWEIGHT CRANKSHAFT

FEATURES & BENEFITS
• CNC machined for absolute tolerances and
symmetry for ease of balance and for reduced
rotating weight

SHORT NO. Desc. Stroke Rod Lgth ROD PIN Pin Width Wht.
*		 TECH NOTES
SMALL BLOCK CHRYSLER 340
434010-2 $3,299.33 3,299.33 . 3.580 6.123 2.125 1.875 52 Int Bal, May Req Heavy Metal
434020-2 $3,299.33 3,299.33 . 4.000 6.123 2.125 1.875 53 Int Bal, May Req Heavy Metal
SMALL BLOCK CHRYSLER 360
436010-2 $3,299.33 . 3.580 6.123 2.125 1.875 56 Int Bal, May Req Heavy Metal
436020-2 $3,299.33 . 4.000 6.123 2.125 1.875 57 Int Bal, May Req Heavy Metal

"RB" BLOCK WEDGE & HEMI
SHORT NO. Desc. Stroke Rod Lgth ROD PIN Pin Width Wht.
*		 TECH NOTES
4426010-2 $3,801.42 Chrys. Pin 3.750 6.760 2.374 2.048 66 8-Bolt Flywheel Flange
4426013-2 $3,801.42 Chevy Pin 4.150 6.800 2.200 2.008 66 8-Bolt Flywheel Flange
4426014-2 $3,801.42 Chrys. Pin 4.150 6.760 2.374 2.048 68 8-Bolt Flywheel Flange
4426015-2 $3,801.42 Chevy Pin 4.250 6.800 2.200 2.008 70 8-Bolt Flywheel Flange
4426018-2 $3,801.42 Chevy Pin 4.500 6.800 2.200 2.008 69 8-Bolt Flywheel Flange
4426020-2 $3,801.42 Chrys. Pin 4.500 6.760 2.374 2.048 70 8-Bolt Flywheel Flange

(*) Weights (lbs) are approximate, actuals may vary.
(**) Crankshafts Pilot Bearing I. D. 1.090" Use Dorman Part Number 690-014-1

 

Page 33
CHRYSLER
4340 FORGED SUPERLIGHT CRANKSHAFT

FEATURES & BENEFITS
• CNC machined for absolute tolerances and symmetry f
or ease of balance and for reduced rotating weight

SHORT NO. Desc. Stroke Rod Lgth ROD PIN Pin Width Wht.
*		 TECH NOTES
SMALL BLOCK CHRYSLER 340
434010-3 $3,786.75 . 3.580 6.123 2.125 1.875 49 IInt Bal, May Req Heavy Metal
434020-3 $3,779.80 . 4.000 6.123 2.125 1.875 50 Int Bal, May Req Heavy Metal
SMALL BLOCK CHRYSLER 360
436010-3 $3,779.80 . 3.580 6.123 2.125 1.875 53 Int Bal, May Req Heavy Metal
436020-3 $3,779.80 . 4.000 6.123 2.125 1.875 54 Int Bal, May Req Heavy Metal
"RB" BLOCK WEDGE & HEMI
4426010-3 $4,448.16 4,448.16 Chrys. Pin 3.750 6.760 2.374 2.048 63 8-Bolt Flywheel Flange
4426013-3 $4,448.16 Chevy Pin 4.150 6.800 2.200 2.008 66 8-Bolt Flywheel Flange
4426014-3 $4,448.16 Chrys. Pin 4.150 6.760 2.374 2.048 66 8-Bolt Flywheel Flange
4426015-3 $4,448.16 Chevy Pin 4.250 6.800 2.200 2.008 67 8-Bolt Flywheel Flange
4426018-3 $4,448.16 Chevy Pin 4.500 6.800 2.200 2.008 67 8-Bolt Flywheel Flange
4426020-3 $4,448.16 Chrys. Pin 4.500 6.760 2.374 2.048 67 8-Bolt Flywheel Flange

(*) Weights (lbs) are approximate, actuals may vary.
(**) Crankshafts Pilot Bearing I. D. 1.090"
Use Dorman Part Number 690-014-1

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