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Flat Top Dish Top

Flat Top
FPS Forged Pistons
for Ford 302

  • VMS75 high silicon 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 58cc 61cc 64cc 68cc Part # Ring Set  

302 - 3.000 Stroke - 5.155 Rod- 1.540 C/H - .912 x 3.000 Press Fit Pin
4.030 540 9.65 9.30 8.98 8.60 P3021F-030 40564CP-030 Ring Grooves 5/64 5/64 3/16
4.040 542 9.68 9.34 9.02 8.63 P3021F-040 40564CP-040 Valve Relief Volume 4.0cc

302 - 3.000 Stroke - 5.090 Rod- 1.605 C/H - .912 x 3.000 Press Fit Pin
4.000 545 9.54 9.20 8.88 8.50 P2482F-030 40564CP Ring Grooves 5/64 5/64 3/16
4.030 550 9.65 9.30 8.98 8.60 P2482F-030 40564CP-030 Valve Relief Volume 4.0cc
4.040 552 9.68 9.34 9.02 8.63 P2482F-040 40564CP-040  

5.0L - 3.000 Stroke - 5.090 Rod- 1.619 C/H - .912 x 3.000 Press Fit Pin
4.000 536 9.54 9.20 8.88 8.50 P2488F-030 CR6434-5 Ring Grooves 1.5 1.5 4.0mm
4.030 553 9.65 9.30 8.98 8.60 P2488F-030 CR6434-35 Valve Relief Volume 4.0cc
4.040 559 9.68 9.34 9.02 8.63 P2488F-040 CR6434-45  
Back To:
 PROBE FORGED PISTONS

  Dish Top
FPS Forged Pistons
for Ford 302

  • VMS75 high silicon forged aluminum

  • Increased valve clearance

  • Lightweight

  • Tight running clearance (.002 to .006)

  • Weight matched (+/- 2.5 grams)

  • Finished diameters +/- .00005

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  

302 - 3.000 Stroke - 5090 Rod- 1.605 C/H - .912 x 3.000 Press Fit Pin

4.000

516

8.67

8.39

8.14

7.82

P2305F-Std

 40564CP Ring Grooves 5/64 5/64 3/16
4.030 520 8.77 8.49 8.23 7.91 P2305F-030 40564CP-030 Dish Volume 12.2cc
4.040 523 8.80 8.52 8.26 7.94 P2305F-040 40564CP-040  
Back To:
 PROBE FORGED PISTONS