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SMALL BLOCK CHEVY
BIG BLOCK CHEVY
FORD
MOPAR
BUICK
NHRA
B/B OPEN CHAMBER DOME

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 (150g)
Double spiro locks (#990-042-CS)
Double pin oilers
Accumulator Grooves

OPEN CHAMBER DOME
Std Bore: 427/454 = 4.250, 502 BBC = 4.466
Ring package designed for: 1/16, 1/16, 3/16 Rings
Highlighted part numbers are Nitrous Dome Series and include .180" wall pins

 Tech and Installation Tips
 Valve Relief Diagram
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
110cc 118cc 124cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
258210 489 4.280 4.250 6.535 9.780 1.120 14.3 13.0 12.2 44.0 540 B 0.030 J10008-4280-5
258211 496 4.310 4.250 6.535 9.780 1.120 14.5 13.2 12.3 44.0 530 B 0.060 J10008-4310-5
258212 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
258213 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
258215 511 4.375 4.250 6.535 9.780 1.120 14.8 13.5 12.6 44.0 552 B 0.125 J10008-4375-5
258216 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
258218 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
258219 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
258220 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
258222 571 4.625 4.250 6.535 9.780 1.120 15.3 14.0 13.2 40.0 610 B 0.159 J10008-4625-5
258228 460 4.280 4.000 6.535 9.780 1.245 13.9 12.6 11.8 46.0 CALL M,B 0.030 J10008-4280-5
258229 467 4.310 4.000 6.535 9.780 1.245 14.0 12.8 12.0 46.0 568 B 0.060 J10008-4310-5
258230 469 4.320 4.000 6.535 9.780 1.245 14.1 12.8 12.0 46.0 570 B 0.070 J10008-4320-5
258231 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
258232 481 4.375 4.000 6.535 9.780 1.245 14.4 13.1 12.2 46.0 589 B 0.125 J10008-4375-5
258233 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
258234 516 4.530 4.000 6.535 9.780 1.245 14.5 13.2 12.4 42.0 637 B 0.064 J10008-4530-5
258235 523 4.560 4.000 6.535 9.780 1.245 14.6 13.4 12.6 42.0 620 B 0.094 J10008-4560-5
258236 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
258237 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
258238 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
258239 548 4.530 4.250 6.385 9.780 1.270 15.9 14.5 13.6 45.0 657 B 0.064 J10008-4530-5
258240 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
258241 565 4.600 4.250 6.385 9.780 1.270 16.2 14.8 13.9 45.0 686 B 0.134 J100U8-4600-5
258242 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
258243 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
258244 498 4.320 4.250 6.385 9.780 1.270 14.4 13.1 12.3 43.0 568 B 0.070 J10008-4320-5
258245 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
258246 511 4.375 4.250 6.385 9.780 1.270 14.6 13.4 12.5 43.0 587 B 0.125 J10008-4375-5
258247 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
258248 548 4.530 4.250 6.385 9.780 1.270 14.4 13.3 12.5 37.0 626 B 0.064 J10008-4530-5
258249 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
258250 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
258251 571 4.625 4.250 6.385 9.780 1.270 14.8 13.6 12.8 37.0 641 B 0.159 J10008-4625-5
258252 460 4.280 4.000 6.385 9.780 1.395 12.9 11.8 11.1 40.0 641 M 0.030 J10008-4280-5
258253 467 4.310 4.000 6.385 9.780 1.395 13.0 11.9 11.2 40.0 641   0.060 J10008-4310-5
258254 481 4.375 4.000 6.385 9.780 1.395 13.3 12.2 11.5 40.0 641   0.125 J10008-4375-5
258255 509 4.500 4.000 6.385 9.780 1.395 13.0 12.0 11.3 34.0 641   0.034 J10008-4500-5
258256 460 4.280 4.000 6.385 9.780 1.395 14.0 12.7 11.9 47.0 610   0.030 J10008-4280-5
258257 467 4.310 4.000 6.385 9.780 1.395 14.2 12.9 12.1 47.0 641   0.060 J10008-4310-5
258258 469 4.320 4.000 6.385 9.780 1.395 14.3 13.0 12.2 47.0 641   0.070 J10008-4320-5
258259 476 4.350 4.000 6.385 9.780 1.395 14.4 13.1 12.2 47.0 641   0.100 J10008-4350-5
258260 481 4.375 4.000 6.385 9.780 1.395 14.5 13.2 12.3 47.0 641   0.125 J10008-4375-5
258261 509 4.500 4.000 6.385 9.780 1.395 14.3 13.1 12.3 42.0 641   0.034 J10008-4500-5
258262 516 4.530 4.000 6.385 9.780 1.395 14.4 13.2 12.4 42.0 641   0.064 J10008-4530-5
258263 523 4.560 4.000 6.385 9.780 1.395 14.6 13.3 12.5 42.0 641   0.094 J10008-4560-5
258264 532 4.600 4.000 6.385 9.780 1.395 14.8 13.5 12.7 42.0 641   0.134 J100U8-4600-5
258265 537 4.625 4.000 6.385 9.780 1.395 14.8 13.6 12.8 42.0 641   0.159 J10008-4625-5
258266 496 4.310 4.250 6.135 9.780 1.520 14.3 13.0 12.2 43.0 641   0.060 J10008-4310-5
258267 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
258268 505 4.350 4.250 6.135 9.780 1.520 14.5 13.2 12.4 43.0 641   0.100 J10008-4350-5
258269 511 4.375 4.250 6.135 9.780 1.520 14.6 13.3 12.5 43.0 641   0.125 J10008-4375-5
258270 541 4.500 4.250 6.135 9.780 1.520 14.3 13.1 12.4 37.0 641   0.034 J10008-4500-5
258271 548 4.530 4.250 6.135 9.780 1.520 14.4 13.3 12.5 37.0 641 M 0.064 J10008-4530-5
258272 555 4.560 4.250 6.135 9.780 1.520 14.6 13.4 12.6 37.0 641   0.094 J10008-4560-5
258273 565 4.600 4.250 6.135 9.780 1.520 14.8 13.6 12.8 37.0 641   0.134 J100U8-4600-5
258274 571 4.625 4.250 6.135 9.780 1.520 14.8 13.6 12.8 37.0 641   0.159 J10008-4625-5
258275 509 4.500 4.000 6.135 9.780 1.645 10.2 9.6 9.2 7.0 641   0.034 J10008-4500-5
258276 460 4.280 4.000 6.135 9.780 1.645 13.3 12.2 11.4 43.0 641   0.030 J10008-4280-5
258277 467 4.310 4.000 6.135 9.780 1.645 13.5 12.3 11.6 43.0 641   0.060 J10008-4310-5
258278 469 4.320 4.000 6.135 9.780 1.645 13.6 12.4 11.6 43.0 641 M 0.070 J10008-4320-5
258279 476 4.350 4.000 6.135 9.780 1.645 13.7 12.5 11.7 43.0 641   0.100 J10008-4350-5
258280 481 4.375 4.000 6.135 9.780 1.645 13.8 12.6 11.8 43.0 641   0.125 J10008-4375-5
258281 509 4.500 4.000 6.135 9.780 1.645 13.5 12.4 11.7 37.0 641 M 0.034 J10008-4500-5
258282 460 4.280 4.000 6.135 9.780 1.645 14.0 12.7 11.9 47.0 674   0.030 J10008-4280-5
258283 467 4.310 4.000 6.135 9.780 1.645 14.2 12.9 12.0 47.0 641   0.060 J10008-4310-5
258284 469 4.320 4.000 6.135 9.780 1.645 14.2 12.9 12.1 47.0 641   0.070 J10008-4320-5
258285 481 4.375 4.000 6.135 9.780 1.645 14.5 13.2 12.3 47.0 641   0.125 J10008-4375-5
258286 509 4.500 4.000 6.135 9.780 1.645 14.3 13.1 12.3 42.0 713   0.034 J10008-4500-5
258287 433 4.280 3.760 6.135 9.780 1.765 14.2 12.8 11.9 52.0 641   0.030 J10008-4280-5
258288 439 4.310 3.760 6.135 9.780 1.765 14.3 12.9 12.1 52.0 641   0.060 J10008-4310-5
258289 447 4.350 3.760 6.135 9.780 1.765 14.5 13.1 12.2 52.0 641   0.100 J10008-4350-5

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