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SRS Forged Pistons for  FORD 351-427 Windsor

  • 2618-t6 forged aluminum

  • Lightweight

  • Tight running clearance (.002 to .006)

  • Weight matched (+/- 2.5 grams)

  • Finished diameters +/- .00005

  • Fits standard AND Twisted Wedge 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 58cc 61cc 64cc 68cc Part # Ring Set  

428W - 4.000 Stroke - 6.200 Rod - 1.290 C/H - .927 x 2.500 - 117 Gram Pin
4.125 TBA 12.91 12.45 12.02 11.49 14745-Std CR1002 Ring Grooves 1/16 1/16 3mm
4.155 TBA 13.06 12.59 12.15 11.62 14745-030   Valve Relief Volume 4.5cc

428W - 4.000 Stroke - 6.250 Rod - 1.240 C/H - .927 x 2.500 - 117 Gram Pin
4.125 TBA 12.91 12.45 12.02 11.49 14716-Std CR1002 Ring Grooves 1/16 1/16 3mm
4.155 TBA 13.06 12.59 12.15 11.62 14716-030   Valve Relief Volume 4.5cc

438W - 4.100 Stroke - 6.200 Rod - 1.240 C/H - .927 x 2.500 - 117 Gram Pin
4.125 TBA 13.21 12.73 12.29 11.75 14716-Std CR1002 Ring Grooves 1/16 1/16 3mm
4.155 TBA 13.36 12.88 12.43 11.89 14716-030   Valve Relief Volume 4.5cc

446W - 4.170 Stroke - 6.125 Rod - 1.290 C/H - .927 x 2.500 - 117 Gram Pin
4.125 TBA 13.42 12.93 12.48 11.93 14745-Std CR1002 Ring Grooves 1/16 1/16 3mm
4.155 TBA 13.58 13.08 12.63 12.07 14745-030   Valve Relief Volume 4.5cc

446W - 4.170 Stroke - 6.250 Rod - 1.155 C/H - .927 x 2.500 - 117 Gram Pin
4.125 TBA 13.42 12.93 12.48 11.93 14745-Std CR1002 Ring Grooves 1/16 1/16 3mm
4.155 TBA 13.58 13.08 12.63 12.07 14745-030   Valve Relief Volume 4.5cc

454W - 4.250 Stroke - 6.250 Rod - 1.115 C/H - .927 x 2.500 - 117 Gram Pin
4.125 TBA 13.66 13.06 12.70 12.14 14745-Std CR1002 Ring Grooves 1/16 1/16 3mm
4.155 TBA 13.82 13.31 12.85 12.28 14745-030   Valve Relief Volume 4.5cc
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 PROBE FORGED PISTONS

Dish Top
SRS Forged Pistons for FORD 351-427 Windsor

  • 2618-t6 forged aluminum

  • Lightweight

  • Tight running clearance (.002 to .006)

  • Weight matched (+/- 2.5 grams)

  • Finished diameters +/- .00005

  • Fits standard AND Twisted Wedge heads

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

Back To:
 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 58cc 61cc 64cc 68cc Part # Ring Set  

428W - 4.000 Stroke - 6.200 Rod - 1.290 C/H - .927 x 2.500 - 117 Gram Pin
4.125 TBA 10.34 10.05 9.78 9.44 14746-Std CR1002 Ring Grooves 1/16 1/16 3mm
4.155 TBA 10.46 10.16 9.89 9.55 14746-030   Dish Volume 24.8cc

428W - 4.000 Stroke - 6.250 Rod - 1.240 C/H - .927 x 2.500 - 117 Gram Pin
4.125 TBA 10.34 10.05 9.78 9.44 14717-Std CR1002 Ring Grooves 1/16 1/16 3mm
4.155 TBA 10.46 10.16 9.89 9.55 14717-030   Dish Volume 24.8cc

428W - 4.100 Stroke - 6.200 Rod - 1.240 C/H - .927 x 2.500 - 117 Gram Pin
4.125 TBA 10.57 10.27 9.99 9.65 14717-Std CR1002 Ring Grooves 1/16 1/16 3mm
4.155 TBA 10.69 10.39 10.11 976 14717-030   Dish Volume 24.8cc

446W - 4.170 Stroke - 6.125 Rod - 1.290 C/H - .927 x 2.500 - 117 Gram Pin
4.125 TBA 10.73 10.43 10.15 9.80 14746-Std CR1002 Ring Grooves 1/16 1/16 3mm
4.155 TBA 10.86 10.55 10.27 9.91 14746-030   Dish Volume 24.8cc

446W - 4.170 Stroke - 6.250 Rod - 1.155 C/H - .927 x 2.500 - 117 Gram Pin
4.125 TBA 10.33 10.05 9.79 9.46 14428-Std CR1002 Ring Grooves 1/16 1/16 3mm
4.155 TBA 10.45 10.17 9.90 9.57 14428-030   Dish Volume 28.9cc

454W - 4.250 Stroke - 6.250 Rod - 1.115 C/H - .927 x 2.500 - 117 Gram Pin
4.125 TBA 10.31 10.04 9.79 9.47 14432-Std CR1002 Ring Grooves 1/16 1/16 3mm
4.155 TBA 10.44 10.16 9.90 9.58 14432-030   Dish Volume 30.9cc
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 PROBE FORGED PISTONS