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SMALL BLOCK CHEVY
BIG BLOCK CHEVY
FORD
MOPAR
BUICK
NHRA
427/428 "FE" DOME

Specially designed for OEM blocks and heads, these pistons are for use with the 427 or the 428 crank. Designed with a minor +.017" overbore for cast iron blocks, these pistons use a 4.250" ring set with 1/16, 1/16, 3/16 rings. The Compression ratios are figured for 10.150 block height. Larger bore sizes available as customs, call JE for details.

Includes:
Pin #975-2930-16-51S (154g)
Double spiro locks (#990-042-CS)

427 DOME SERIES
Std Bore: 4.233
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
72cc 74cc 88cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
168741 451 4.250 3.980 6.490 10.150 1.670 12.5 12.2 10.5 2.5 569 P,W 0.017 J10008-4250-5
168742 429 4.250 3.780 6.490 10.150 1.770 12.5 12.2 10.5 6.0 594 P 0.017 J10008-4250-5

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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