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Flat Top
FPS Forged Pistons
for Chevrolet LS1

  • 2618-t6 forged aluminum

  • Increased valve clearance

  • Lightweight

  • Tight running clearance (.002 to .006)

  • Weight matched (+/- 2.5 grams)

  • Finished diameters +/- .00005


 

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 PROBE FORGED PISTONS
Compression Ratio computed with .010 deck and .038 head gasket at bore +.125" (weights and compression ratios are approximate)
    Compression Ratio      
Bore Weight 59cc 64cc 66cc 76cc Part # Ring Set  

LS1 - 3.622 Stroke - 6.098 Rod- 1.340 C/H - .945 x 2.840 - 140 Gram Pin
3.902 376 10.87 10.23 10.00 8.98 P2600F-003 315-0037-005 Ring Grooves 1.5 1.5 3.0mm
                Valve Relief Volume 3.0cc
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 PROBE FORGED PISTONS