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SMALL BLOCK CHEVY
BIG BLOCK CHEVY
FORD
MOPAR
BUICK
NHRA
351 N HEAD GAS PORTED FLAT TOP

The lightest piston on the market for this application. These pistons utilize our Superfly F.S.R. forging and feature precision CNC machined ring grooves with no valve reliefs for maximum compression ratios. Pistons are machined for 1.2, 1.2, 3mm rings.

Includes:
Pin #927-2350-15-51C (111g)
Forced pin oiler, with annular oil reservoir
Wire locks (#927-073-MW)
Accumulator groove
Contact reduction grooves
Lateral gas ports

N-HEAD FLAT TOP
Std Bore: 4.000
Ring package designed for: 1.2, 1.2, 3MM Rings

 Tech and Installation Tips
 Valve Relief Diagram
Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
  58cc 64cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
207485 357 4.030 3.500 6.250 9.190 1.190 - 11.9 11.0 0.0 331 C 0.030 J93008-4030-5
170857* 357 4.030 3.500 6.200 9.180 1.230 - 11.9 11.0 0.0 337 M,C 0.030 J93008-4030-5
173677* 357 4.030 3.500 6.200 9.200 1.250 - 11.9 11.0 0.0 340 M,C 0.030 J93008-4030-5

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