J.E. Pistons High Performance

Street Strip Race

RPM - RON'S PRECISION MACHINE, INC.
69 E. 580 N.
Santaquin, Utah 84655
1-801-754-5338 or Toll free 1-866-700-5877
Contact us anytime OR use your e-mail program and type in ron@rpmrons.com to send an e-mail with what you need

Order Form
Engine Rebuild Kit and Parts Online Catalog.

Engine Rebuild & Assembly Balancing & 
Blueprinting		 Cylinder Heads
Engine Rebuild Kits Engine Start-up Other Related Web Sites Page 1
Crankshafts Degree Cam Other Related Web Sites Page 2
Purchase warranty & Return Information About the owner of RPM Frequently Asked Questions
MASTER ENGINE REBUILD KITS & PARTS

Home

Call toll free to order at 1-866-700-5877 or
Contact us anytime OR use your e-mail program and type in ron@rpmrons.com to send an e-mail with what you need
or use the Order Form for questions and to check stock.

Chevrolet Big Block


BIG BLOCK
INVERTED DOME (dished)
BIG BLOCK INVERTED DOME
These big block pistons are compatible with forced induction, nitrous and angle milled heads. T
he inverted dome shape has been designed for maximum efficiency and horsepower.
Valve reliefs will accommodate oversized valves and long duration, tight lobe separation cams.
Compression Height figured using 9.780 block height with zero deck clearance.
Precision CNC machined ring grooves accept 1/16, 1/16, 3/16 rings.
Will fit both open and closed chamber cylinder heads.
Includes: Pin #990-2930-18-51S $18.01 (174g) Double spiro locks (#990-042-CS)








 Big Block Chevy Inverted Dome Series Std Bore: 427/454 = 4.250, 502 BBC = 4.466
Ring package designed for: 1/16, 1/16, 3/16 Rings

Part #
Your Cost

CID

Bore

Stroke

Rod Lgth.

Block Ht.

Comp. Ht.

Head Cubic Centimeters
Comp Ratio
110---118--124

Dome Vol.

Gram Wt.

Foot
note

Over
size

Recom. Ring Set
257942 $1,190.67

540

4.500

4.250

6.385

9.780

1.270

8.8

8.4

8.1

-20.0

569

B

0.034

J100F8-4500-5 $315.78
257951 $1,190.67

540

4.500

4.250

6.135

9.780

1.520

8.8

8.4

8.1

-20.0

626

0.034

J100F8-4500-5 $315.78
257953 $1,190.67

548

4.530

4.250

6.135

9.780

1.520

8.9

8.5

8.2

-20.0

632

M

0.064

J100F8-4530-5 $315.78
257943 $1,190.67

548

4.530

4.250

6.385

9.780

1.270

8.9

8.5

8.2

-20.0

580

B

0.064

J100F8-4530-5 $315.78
257944 $1,190.67

555

4.560

4.250

6.385

9.780

1.270

9.0

8.6

8.3

-20.0

597

B

0.094

J100S8-4560-5 $324.87
257954 $1,190.67

555

4.560

4.250

6.135

9.780

1.520

9.0

8.6

8.3

-20.0

647

M

0.094

J100S8-4560-5 $324.87
257955 $1,190.67

565

4.600

4.250

6.135

9.780

1.520

9.2

8.8

8.5

-20.0

662

0.134

J100L8-4600-5 $209.26
257945 $1,190.67

565

4.600

4.250

6.385

9.780

1.270

9.2

8.8

8.5

-20.0

608

B

0.134

J100L8-4600-5 $209.26
282058 $1,214.04

568

4.610

4.250

6.385

9.780

1.270

9.2

8.8

8.5

-20.0

615

B,M

0.144

J100H8-4610-5 $460.03
282059 $1,214.04

571

4.625

4.250

6.385

9.780

1.270

9.3

8.8

8.5

-20.0

620

B,M

0.159

J100F8-4625-5 $204.00
257946 $1,190.67

467

4.310

4.000

6.385

9.780

1.395

8.0

7.6

7.4

-14.5

582

B

0.060

J100F8-4310-5 $265.10
257947 $1,190.67

509

4.500

4.000

6.385

9.780

1.395

8.0

7.6

7.4

-28.0

591

B

0.034

J100F8-4500-5 $315.78
257956 $1,190.67

509

4.500

4.000

6.135

9.780

1.645

8.8

8.4

8.1

-11.5

661

0.034

J100F8-4500-5 $315.78
257948 $1,190.67

516

4.530

4.000

6.385

9.780

1.395

8.1

7.7

7.5

-28.0

600

B

0.064

J100F8-4530-5 $315.78
257957 $1,190.67

515

4.530

4.000

6.135

9.780

1.645

8.9

8.5

8.2

-11.5

674

0.064

J100F8-4530-5 $315.78
257949 $1,190.67

523

4.560

4.000

6.385

9.780

1.395

8.2

7.8

7.5

-28.0

610

B

0.094

J100S8-4560-5 $324.87
257950 $1,190.67

532

4.600

4.000

6.385

9.780

1.395

8.3

7.9

7.7

-28.0

625

B

0.134

J100L8-4600-5 $209.26
281922 $1,190.67

534

4.610

4.000

6.385

9.780

1.395

8.3

7.9

7.7

-28.0

633

B

0.144

J100H8-4610-5 $460.03
281923 $1,190.67

537

4.625

4.000

6.385

9.780

1.395

8.4

8.0

7.7

-28.0

634

B,M

0.159

J100F8-4625-5 $204.00

Foot Notes:
B Oil Rail Support is Included
M Made To Order

Top of Page

HOME