J.E. Pistons High Performance

Big Block Chevrolet 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 24-7

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Call toll free to order at 1-866-700-5877 or
Contact us anytime 24-7 or use the Order Form for questions and to check stock.

Chevrolet Big Block

Big Block Chevrolet Open Chamber
Dome Forged Pistons
These big block pistons are an excellent choice for drag race applications.
Compression Height figured using 9.780 block height with zero deck clearance.
Dome pistons listed will not work with Edelbrock head #6045, 6040, 6055,
pistons for these heads are available as special order.
Precision CNC machined ring grooves accept 1/16, 1/16, 3/16 rings.

 








Includes:
Pin #990-2930-15-51S $18.01 (150g)
Double spiro locks (#990-042-CS)
Double pin oilers
Accumulator Grooves

B/B OPEN CHAMBER DOME regular deck
Std Bore: 427/454 = 4.250, 502 BBC = 4.466
Ring package designed for: 1/16, 1/16, 3/16 Rings
B/B OPEN CHAMBER DOME 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
258242 $1,214.04 489 4.280 4.250 6.385 9.780 1.270 14.1 12.9 12.1 43.0 571 B 0.030 J10008-4280-5 $258.56
258210 $1,214.04 489 4.280 4.250 6.535 9.780 1.120 14.3 13.0 12.2 44.0 540 B,M 0.030 J10008-4280-5 $258.56
258243 $1,214.04 496 4.310 4.250 6.385 9.780 1.270 14.3 13.0 12.2 43.0 558 B 0.060 J10008-4310-5 $258.56
258266 $1,214.04 496 4.310 4.250 6.135 9.780 1.520 14.3 13.0 12.2 43.0 610 0.060 J10008-4310-5 $258.56
258211 $1,214.04 496 4.310 4.250 6.535 9.780 1.120 14.5 13.2 12.3 44.0 525 B 0.060 J10008-4310-5 $258.56
258244 $1,214.04 498 4.320 4.250 6.385 9.780 1.270 14.4 13.1 12.3 43.0 559 B 0.070 J10008-4320-5 $265.10
258267 $1,214.04 498 4.320 4.250 6.135 9.780 1.520 14.4 13.1 12.3 43.0 641 0.070 J10008-4320-5 $265.10
258212 $1,214.04 498 4.320 4.250 6.535 9.780 1.120 14.5 13.2 12.3 44.0 533 B 0.070 J10008-4320-5 $265.10
258245 $1,214.04 505 4.350 4.250 6.385 9.780 1.270 14.5 13.2 12.4 43.0 578 B 0.100 J10008-4350-5 $265.10
258268 $1,214.04 505 4.350 4.250 6.135 9.780 1.520 14.5 13.2 12.4 43.0 625 M 0.100 J10008-4350-5 $265.10
258213 $1,214.04 505 4.350 4.250 6.535 9.780 1.120 14.7 13.4 12.5 44.0 544 B 0.100 J10008-4350-5 $265.10
258246 $1,214.04 511 4.375 4.250 6.385 9.780 1.270 14.6 13.4 12.5 43.0 581 B 0.125 J10008-4375-5 $268.91
258269 $1,214.04 511 4.375 4.250 6.135 9.780 1.520 14.6 13.3 12.5 43.0 631 M 0.125 J10008-4375-5 $268.91
258215 $1,214.04 511 4.375 4.250 6.535 9.780 1.120 14.8 13.5 12.6 44.0 544 B 0.125 J10008-4375-5 $268.91
258247 $1,214.04 541 4.500 4.250 6.385 9.780 1.270 14.3 13.1 12.4 37.0 618 B 0.034 J10008-4500-5 $305.41
258270 $1,214.04 541 4.500 4.250 6.135 9.780 1.520 14.3 13.1 12.4 37.0 662 M 0.034 J10008-4500-5 $305.41
258216 $1,214.04 541 4.500 4.250 6.535 9.780 1.120 14.8 13.5 12.7 40.0 585 B 0.034 J10008-4500-5 $305.41
258238 $1,214.04 541 4.500 4.250 6.385 9.780 1.270 15.7 14.3 13.4 45.0 641 B 0.034 J10008-4500-5 $305.41
258271 $1,214.04 548 4.530 4.250 6.135 9.780 1.520 14.4 13.3 12.5 37.0 670 M 0.064 J10008-4530-5 $305.41
258248 $1,214.04 548 4.530 4.250 6.385 9.780 1.270 14.4 13.3 12.5 37.0 627 B 0.064 J10008-4530-5 $305.41
258218 $1,214.04 548 4.530 4.250 6.535 9.780 1.120 14.9 13.7 12.9 40.0 595 B 0.064 J10008-4530-5 $305.41
258239 $1,214.04 548 4.530 4.250 6.385 9.780 1.270 15.9 14.5 13.6 45.0 650 B 0.064 J10008-4530-5 $305.41
258249 $1,214.04 555 4.560 4.250 6.385 9.780 1.270 14.6 13.4 12.7 37.0 615 B 0.094 J10008-4560-5 $313.21
258219 $1,214.04 555 4.560 4.250 6.535 9.780 1.120 15.1 13.8 13.0 40.0 583 B 0.094 J10008-4560-5 $313.21
258240 $1,214.04 555 4.560 4.250 6.385 9.780 1.270 16.0 14.6 13.7 45.0 668 B 0.094 J10008-4560-5 $313.21
258273 $1,214.04 565 4.600 4.250 6.135 9.780 1.520 14.8 13.6 12.8 37.0 675 0.134 J100U8-4600-5 $313.21
258250 $1,214.04 565 4.600 4.250 6.385 9.780 1.270 14.8 13.6 12.8 37.0 627 B 0.134 J100U8-4600-5 $313.21
258220 $1,214.04 565 4.600 4.250 6.535 9.780 1.120 15.3 14.0 13.2 40.0 599 B 0.134 J100U8-4600-5 $313.21
258241 $1,214.04 565 4.600 4.250 6.385 9.780 1.270 16.2 14.8 13.9 45.0 678 B 0.134 J100U8-4600-5 $313.21
258251 $1,214.04 571 4.625 4.250 6.385 9.780 1.270 14.8 13.6 12.8 37.0 638 B 0.159 J10008-4625-5 $204.00
258222 $1,214.04 571 4.625 4.250 6.535 9.780 1.120 15.3 14.0 13.2 40.0 605 B 0.159 J10008-4625-5 $204.00
258252 $1,214.04 460 4.280 4.000 6.385 9.780 1.395 12.9 11.8 11.1 40.0 589 M 0.030 J10008-4280-5 $258.56
258276 $1,214.04 460 4.280 4.000 6.135 9.780 1.645 13.3 12.2 11.4 43.0 642 M 0.030 J10008-4280-5 $258.56
258228 $1,214.04 460 4.280 4.000 6.535 9.780 1.245 13.9 12.6 11.8 46.0 575 B,M 0.030 J10008-4280-5 $258.56
258256 $1,214.04 460 4.280 4.000 6.385 9.780 1.395 14.0 12.7 11.9 47.0 610 M 0.030 J10008-4280-5 $258.56
258282 $1,214.04 460 4.280 4.000 6.135 9.780 1.645 14.0 12.7 11.9 47.0 654 0.030 J10008-4280-5 $258.56
258253 $1,214.04 467 4.310 4.000 6.385 9.780 1.395 13.0 11.9 11.2 40.0 575 M 0.060 J10008-4310-5 $258.56
258277 $1,214.04 467 4.310 4.000 6.135 9.780 1.645 13.5 12.3 11.6 43.0 625 M 0.060 J10008-4310-5 $258.56
258229 $1,214.04 467 4.310 4.000 6.535 9.780 1.245 14.0 12.8 12.0 46.0 556 B 0.060 J10008-4310-5 $258.56
258257 $1,214.04 467 4.310 4.000 6.385 9.780 1.395 14.2 12.9 12.1 47.0 596 0.060 J10008-4310-5 $258.56
258283 $1,214.04 467 4.310 4.000 6.135 9.780 1.645 14.2 12.9 12.0 47.0 666 M 0.060 J10008-4310-5 $258.56
258278 $1,214.04 469 4.320 4.000 6.135 9.780 1.645 13.6 12.4 11.6 43.0 630 M 0.070 J10008-4320-5 $265.10
258230 $1,214.04 469 4.320 4.000 6.535 9.780 1.245 14.1 12.8 12.0 46.0 563 B 0.070 J10008-4320-5 $265.10
258258 $1,214.04 469 4.320 4.000 6.385 9.780 1.395 14.3 13.0 12.2 47.0 594 0.070 J10008-4320-5 $265.10
258284 $1,214.04 469 4.320 4.000 6.135 9.780 1.645 14.2 12.9 12.1 47.0 642 M 0.070 J10008-4320-5 $265.10
258279 $1,214.04 476 4.350 4.000 6.135 9.780 1.645 13.7 12.5 11.7 43.0 630 M 0.100 J10008-4350-5 $265.10
258231 $1,214.04 476 4.350 4.000 6.535 9.780 1.245 14.2 12.9 12.1 46.0 579 B 0.100 J10008-4350-5 $265.10
258259 $1,214.04 476 4.350 4.000 6.385 9.780 1.395 14.4 13.1 12.2 47.0 616 0.100 J10008-4350-5 $265.10
258254 $1,214.04 481 4.375 4.000 6.385 9.780 1.395 13.3 12.2 11.5 40.0 602 M 0.125 J10008-4375-5 $268.91
258280 $1,214.04 481 4.375 4.000 6.135 9.780 1.645 13.8 12.6 11.8 43.0 656 M 0.125 J10008-4375-5 $268.91
258232 $1,214.04 481 4.375 4.000 6.535 9.780 1.245 14.4 13.1 12.2 46.0 579 B 0.125 J10008-4375-5 $268.91
258260 $1,214.04 481 4.375 4.000 6.385 9.780 1.395 14.5 13.2 12.3 47.0 622 0.125 J10008-4375-5 $268.91
258285 $1,214.04 481 4.375 4.000 6.135 9.780 1.645 14.5 13.2 12.3 47.0 688 M 0.125 J10008-4375-5 $268.91
258275 $1,214.04 509 4.500 4.000 6.135 9.780 1.645 10.2 9.6 9.2 7.0 672 0.034 J10008-4500-5 $305.41
258255 $1,214.04 509 4.500 4.000 6.385 9.780 1.395 13.0 12.0 11.3 34.0 636 0.034 J10008-4500-5 $305.41
258281 $1,214.04 509 4.500 4.000 6.135 9.780 1.645 13.5 12.4 11.7 37.0 684 M 0.034 J10008-4500-5 $305.41
258261 $1,214.04 509 4.500 4.000 6.385 9.780 1.395 14.3 13.1 12.3 42.0 653 0.034 J10008-4500-5 $305.41
258233 $1,214.04 509 4.500 4.000 6.535 9.780 1.245 14.3 13.1 12.3 42.0 627 B 0.034 J10008-4500-5 $305.41
258286 $1,214.04 509 4.500 4.000 6.135 9.780 1.645 14.3 13.1 12.3 42.0 699 M 0.034 J10008-4500-5 $305.41
258234 $1,214.04 516 4.530 4.000 6.535 9.780 1.245 14.5 13.2 12.4 42.0 637 B,M 0.064 J10008-4530-5 $305.41
258262 $1,214.04 516 4.530 4.000 6.385 9.780 1.395 14.4 13.2 12.4 42.0 665 M 0.064 J10008-4530-5 $305.41
258263 $1,214.04 523 4.560 4.000 6.385 9.780 1.395 14.6 13.3 12.5 42.0 653 0.094 J10008-4560-5 $313.21
258235 $1,214.04 523 4.560 4.000 6.535 9.780 1.245 14.6 13.4 12.6 42.0 622 B 0.094 J10008-4560-5 $313.21
258236 $1,214.04 532 4.600 4.000 6.535 9.780 1.245 14.8 13.6 12.8 42.0 634 B 0.134 J100U8-4600-5 $313.21
258264 $1,214.04 532 4.600 4.000 6.385 9.780 1.395 14.8 13.5 12.7 42.0 665 0.134 J100U8-4600-5 $313.21
258265 $1,214.04 537 4.625 4.000 6.385 9.780 1.395 14.8 13.6 12.8 42.0 674 M 0.159 J10008-4625-5 $204.00
258237 $1,214.04 537 4.625 4.000 6.535 9.780 1.245 14.8 13.6 12.8 42.0 648 B 0.159 J10008-4625-5 $204.00
258287 $1,214.04 433 4.280 3.760 6.135 9.780 1.765 14.2 12.8 11.9 52.0 693 M 0.030 J10008-4280-5 $258.56
258288 $1,214.04 439 4.310 3.760 6.135 9.780 1.765 14.3 12.9 12.1 52.0 679 M 0.060 J10008-4310-5 $258.56
258289 $1,214.04 447 4.350 3.760 6.135 9.780 1.765 14.5 13.1 12.2 52.0 699 M 0.100 J10008-4350-5 $265.10

Footnotes:
A= fits 3.480 and 3.500 stroke
B= Oil Rail Support is Included
C= .927 Pin Diameter
D== .912 Pin Diameter
E= .990 wrist pin
F= Indicates 1.040 Pin Diameter
H= Indicates 1.094 Pin Diameter
J= Indicates 3mm Oil Ring
K= .945 Pin Diameter
L= Limited Quantities available
M= Made To Order
P= .975 Pin Diameter
S= Solid dome design
W= 428 Crank Shaft
X= angle milled heads

B/B OPEN CHAMBER DOME -
TALL DECK BLOCK
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
258210 $1,214.04 547 4.280 4.750 6.700 10.195 1.120 15.7 14.3 13.4 44 540 M,B 0.030 J10008-4280-5 $258.56
258211 $1,214.04 554 4.310 4.750 6.700 10.195 1.120 15.9 14.5 13.6 44 525 B 0.060 J10008-4310-5 $258.56
258212 $1,214.04 557 4.320 4.750 6.700 10.195 1.120 15.9 14.5 13.6 44 533 B 0.070 J10008-4320-5 $265.10
258213 $1,214.04 565 4.350 4.750 6.700 10.195 1.120 16.2 14.8 13.8 44 544 B 0.100 J10008-4350-5 $265.10
258215 $1,214.04 571 4.375 4.750 6.700 10.195 1.120 16.3 14.9 14.0 44 544 B 0.125 J10008-4375-5 $268.91
258216 $1,214.04 604 4.500 4.750 6.700 10.195 1.120 16.4 15.0 14.1 40 585 B 0.034 J10008-4500-5 $305.41
258218 $1,214.04 612 4.530 4.750 6.700 10.195 1.120 16.6 15.2 14.3 40 595 B 0.064 J10008-4530-5 $305.41
258219 $1,214.04 621 4.560 4.750 6.700 10.195 1.120 16.8 15.4 14.4 40 583 B 0.094 J10008-4560-5 $313.21
258220 $1,214.04 632 4.600 4.750 6.700 10.195 1.120 17.1 15.6 14.7 40 599 B 0.134 J100U8-4600-5 $313.21
258222 $1,214.04 638 4.625 4.750 6.700 10.195 1.120 17.2 15.8 14.8 40 605 B 0.159 J10008-4625-5 $204.00
258252 $1,214.04 518 4.280 4.500 6.535 10.195 1.395 14.2 13.0 12.3 40 589 M 0.030 J10008-4280-5 $258.56
258256 $1,214.04 518 4.280 4.500 6.535 10.195 1.395 15.5 14.1 13.2 47 610 M 0.030 J10008-4280-5 $258.56
258253 $1,214.04 525 4.310 4.500 6.535 10.195 1.395 14.4 13.2 12.4 40 575 M 0.060 J10008-4310-5 $258.56
258229 $1,214.04 525 4.310 4.500 6.700 10.195 1.245 15.5 14.1 13.2 46 556 B 0.060 J10008-4310-5 $258.56
258257 $1,214.04 525 4.310 4.500 6.535 10.195 1.395 15.6 14.2 13.3 47 596 - 0.060 J10008-4310-5 $258.56
258230 $1,214.04 528 4.320 4.500 6.700 10.195 1.245 15.5 14.1 13.2 46 563 B 0.070 J10008-4320-5 $265.10
258258 $1,214.04 528 4.320 4.500 6.535 10.195 1.395 15.6 14.2 13.3 47 594 - 0.070 J10008-4320-5 $265.10
258231 $1,214.04 535 4.350 4.500 6.700 10.195 1.245 15.7 14.3 13.4 46 579 B 0.100 J10008-4350-5 $265.10
258259 $1,214.04 535 4.350 4.500 6.535 10.195 1.395 16.0 14.5 13.6 47 616 - 0.100 J10008-4350-5 $265.10
258254 $1,214.04 541 4.375 4.500 6.535 10.195 1.395 14.8 13.5 12.7 40 602 M 0.125 J10008-4375-5 $268.91
258232 $1,214.04 541 4.375 4.500 6.700 10.195 1.245 15.9 14.5 13.6 46 579 B 0.125 J10008-4375-5 $268.91
258260 $1,214.04 541 4.375 4.500 6.535 10.195 1.395 16.1 14.6 13.7 47 622 - 0.125 J10008-4375-5 $268.91
258255 $1,214.04 572 4.500 4.500 6.535 10.195 1.395 14.6 13.5 12.7 34 636 0.034 J10008-4500-5 $305.41
258261 $1,214.04 572 4.500 4.500 6.535 10.195 1.395 15.8 14.5 13.6 42 653 0.034 J10008-4500-5 $305.41
258233 $1,214.04 572 4.500 4.500 6.700 10.195 1.245 15.8 14.5 13.6 42 627 B 0.034 J10008-4500-5 $305.41
258234 $1,214.04 580 4.530 4.500 6.700 10.195 1.245 16.0 14.6 13.7 42 637 B,M 0.064 J10008-4530-5 $305.41
258262 $1,214.04 580 4.530 4.500 6.535 10.195 1.395 16.0 14.6 13.7 42 665 M 0.064 J10008-4530-5 $305.41
258263 $1,214.04 587 4.560 4.500 6.535 10.195 1.395 16.3 14.9 14.0 42 653 - 0.094 J10008-4560-5 $313.21
258235 $1,214.04 588 4.560 4.500 6.700 10.195 1.245 16.1 14.8 13.9 42 622 B 0.094 J10008-4560-5 $313.21
258236 $1,214.04 598 4.600 4.500 6.700 10.195 1.245 16.5 15.1 14.2 42 634 B 0.134 J100U8-4600-5 $313.21
258264 $1,214.04 598 4.600 4.500 6.535 10.195 1.395 16.5 15.1 14.2 42 665 - 0.134 J100U8-4600-5 $313.21
258265 $1,214.04 605 4.625 4.500 6.535 10.195 1.395 16.6 15.2 14.3 42 674 M 0.159 J10008-4625-5 $204.00
258237 $1,214.04 605 4.625 4.500 6.700 10.195 1.245 16.5 15.2 14.3 42 648 B 0.159 J10008-4625-5 $204.00
258266 $1,214.04 496 4.310 4.250 6.535 10.195 1.520 14.3 13.0 12.2 43 610 - 0.060 J10008-4310-5 $258.56
258267 $1,214.04 498 4.320 4.250 6.535 10.195 1.520 14.4 13.1 12.3 43 641 M 0.070 J10008-4320-5 $265.10
258268 $1,214.04 505 4.350 4.250 6.535 10.195 1.520 14.5 13.2 12.4 43 625 M 0.100 J10008-4350-5 $265.10
258269 $1,214.04 511 4.375 4.250 6.535 10.195 1.520 14.6 13.3 12.5 43 631 M 0.125 J10008-4375-5 $268.91
258270 $1,214.04 541 4.500 4.250 6.535 10.195 1.520 14.3 13.1 12.4 37 662 M 0.034 J10008-4500-5 $305.41
258271 $1,214.04 548 4.530 4.250 6.535 10.195 1.520 14.4 13.3 12.5 37 670 M 0.064 J10008-4530-5 $305.41
258273 $1,214.04 565 4.600 4.250 6.535 10.195 1.520 14.8 13.6 12.8 37 675 - 0.134 J100U8-4600-5 $313.21

Footnotes:
A= fits 3.480 and 3.500 stroke
B= Oil Rail Support is Included
C= .927 Pin Diameter
D== .912 Pin Diameter
E= .990 wrist pin
F= Indicates 1.040 Pin Diameter
H= Indicates 1.094 Pin Diameter
J= Indicates 3mm Oil Ring
K= .945 Pin Diameter
L= Limited Quantities available
M= Made To Order
P= .975 Pin Diameter
S= Solid dome design
W= 428 Crank Shaft
X= angle milled heads

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