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Flat Tops Dish Tops  

Flat Top
SRS Forged Pistons for FORD 460 - 557ci

  • 2618-t6 forged aluminum

  • Lightweight

  • Tight running clearance (.002 to .006)

  • Weight matched (+/- 2.5 grams)

  • Finished diameters +/- .00005

  • Fits standard heads


Our Tool Steel Wrist Pin Upgrade Is Now
Available At  A Substantially Reduced Cost!

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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 74cc 86cc 100cc Part # Ring Set  

460 - 3.850 Stroke - 6.605 Rod - 1.770 C/H - 1.040 x 2.930 - 157 Gram Pin
4.390 650 11.68 10.41 9.27 10661-030 315-0025 Ring Grooves 1/16 1/16 3/16
4.420 663 11.80 10.53 9.37 10661-040   Valve Relief Volume 3.0cc

532 - 4.300 Stroke - 6.605 Rod - 1.535 C/H - 1.040 x 2.930 - 157 Gram Pin
4.390 TBA 12.92 11.51 10.24 14115-030 315-0025 Ring Grooves 1/16 1/16 3/16
4.440 TBA 13.16 11.72 10.43 14115-080 315-0057 Valve Relief Volume 3.0cc

532 - 4.300 Stroke - 6.800 Rod - 1.350 C/H - .990 x 2.930 - 151 Gram Pin
4.390 552 12.92 11.51 10.24 10663-030 315-0025 Ring Grooves 1/16 1/16 3/16
4.440 577 13.16 11.72 10.43 10663-080 315-0057 Valve Relief Volume 3.0cc

532 - 4.300 Stroke - 6.700 Rod - 1.450 C/H - .990 x 2.930 - 151 Gram Pin
4.390 570 12.92 11.51 10.24 13600-030 315-0025 Ring Grooves 1/16 1/16 3/16
4.440 590 13.16 11.72 10.43 13600-080 315-0057 Valve Relief Volume 3.0cc

557 - 4.500 Stroke - 6.700 Rod - 1.350 C/H - .990 x 2.930 - 151 Gram Pin
4.390 552 13.48 12.00 10.67 10663-030 315-0025 Ring Grooves 1/16 1/16 3/16
4.440 577 13.72 12.22 10.87 10663-080 315-0057 Valve Relief Volume 3.0cc

557 - 4.500 Stroke - 6.800 Rod - 1.250 C/H - .990 x 2.930 - 151 Gram Pin
4.390 542 13.48 12.00 10.67 10671-030 315-0025 Ring Grooves 1/16 1/16 3/16
4.440 563 13.72 12.22 10.87 10674-080 315-0057 Valve Relief Volume 3.0cc
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 PROBE FORGED PISTONS

Dish Top
SRS Forged Pistons for FORD 460 - 557ci

  • 2618-t6 forged aluminum

  • Lightweight

  • Tight running clearance (.002 to .006)

  • Weight matched (+/- 2.5 grams)

  • Finished diameters +/- .00005

  • Fits standard heads
Our Tool Steel Wrist Pin Upgrade Is Now
Available At  A Substantially Reduced Cost!

Back To:
 PROBE FORGED PISTONS
    Compression Ratio      
Bore Weight 74cc 86cc 100cc Part # Ring Set  

460 - 3.850 Stroke - 6.605 Rod - 1.770 C/H - 1.040 x 2.930 - 157 Gram Pin
4.390 628 10.47 9.46 8.51 12331-030 315-0025 Ring Grooves 1/16 1/16 3/16
4.420 632 10.59 9.63 8.67 12331-060   Dish Volume 11.0cc

532 - 4.300 Stroke - 6.605 Rod - 1.532 C/H - 1.040 x 2.930 - 157 Gram Pin
4.390 TBA 10.80 9.72 8.74 14334-030 315-0025 Ring Grooves 1/16 1/16 3/16
4.440 TBA 10.92 9.83 8.83 14334-080 315-0057 Dish Volume 24.0cc

532 - 4.300 Stroke - 6.700 Rod - 1.450 C/H - .990 x 2.930 - 151 Gram Pin
4.390 555 10.48 9.57 8.70 13599-030 315-0025 Ring Grooves 1/16 1/16 3/16
4.440 571 10.68 9.75 8.86 13599-080 315-0057 Dish Volume 26.0cc

532 - 4.300 Stroke - 6.800 Rod - 1.450 C/H - .990 x 2.930 - 151 Gram Pin
4.390 536 10.83 9.85 8.93 12330-030 315-0025 Ring Grooves 1/16 1/16 3/16
4.440 557 11.03 10.04 9.10 12330-080 315-0057 Dish Volume 22.0cc

557 - 4.500 Stroke - 6.700 Rod - 1.350 C/H - .990 x 2.930 - 151 Gram Pin
4.390 536 11.29 10.27 9.30 12330-030 315-0025 Ring Grooves 1/16 1/16 3/16
4.440 557 10.50 10.46 9.47 12330-080 315-0057 Dish Volume 22.0cc

557 - 4.500 Stroke - 6.800 Rod - 1.250 C/H - .990 x 2.930 - 151 Gram Pin
4.390 506 11.64 10.54 9.52 12397-030 315-0025 Ring Grooves 1/16 1/16 3/16
4.440 526 11.85 10.74 9.70 12397-080 315-0057 Dish Volume 18.5cc
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 PROBE FORGED PISTONS