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SMALL BLOCK CHEVY
BIG BLOCK CHEVY
FORD
MOPAR
BUICK
NHRA
302 INVERTED DOME

These pistons are designed to be compatible with forced induction and nitrous applications. The valve reliefs are machined to accommodate larger valves and long duration, tight lobe separation cams. Precision CNC machined ring grooves accept 1/16, 1/16, 3/16 rings.

Includes:
Pin #912-2750-14-51S (123g), note D
Pin #927-2750-15-51S (130g), note C
Double spiro locks (#927-042-CS)
Contact Reduction Grooves
Double pin oilers

302 SERIES
Std Bore: 4.000
Ring package designed for: 1/16, 1/16, 3/16 Rings

 Tech and Installation Tips
 Valve Relief Diagram
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
56cc 60cc 64cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
131656 306 4.030 3.000 5.090 8.190 1.600 9.3 8.8 8.4 -11.0 508 D 0.030 J10008-4030-5

302 STROKER
Std Bore: 4.000
Ring package designed for: 1/16, 1/16, 3/16 Rings
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
56cc 60cc 64cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
170847 345 4.020 3.400 5.400 8.200 1.100 9.1 8.8 8.5 -22.0 416 B,C 0.020 J10008-4020-5
170848 347 4.030 3.400 5.400 8.200 1.100 9.1 8.8 8.5 -22.0 415 B,C 0.030 J10008-4030-5
232462 348 4.040 3.400 5.400 8.200 1.100 9.6 8.8 8.5 -22.0 424 B,C 0.040 J100F8-4040-5
170849 330 4.020 3.250 5.400 8.200 1.175 8.4 8.1 7.8 -26.5 428 B,C 0.020 J10008-4020-5
170850 331 4.030 3.250 5.400 8.200 1.175 8.4 8.1 7.8 -26.5 431 B,C 0.030 J10008-4030-5
232463 348 4.040 3.250 5.400 8.200 1.175 8.8 8.5 8.2 -26.0 446 B,C 0.040 J100F8-4040-5

TWISTED SERIES
Std Bore: 4.000
Ring package designed for: 1/16, 1/16, 3/16 Rings
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
56cc 60cc 64cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
232470 347 4.030 3.400 5.400 8.200 1.100 10.4 9.9 9.5 -11.0 430 B,C 0.030 J10008-4030-5
232471 347 4.030 3.250 5.400 8.200 1.175 9.9 9.5 9.1 -11.0 439 B,C 0.030 J10008-4030-5

Did you know? - we also offer a complete line of pistons for this particular application in our SRP product line? Click here to check them out.
 
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