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You are here: Home > Pistons > Probe Forged Pistons > PRS - Professional Race Series > Ford > Ford - 429/460 > Flat Top > Stock Valve Location



Stock Valve Location





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Probe Forged Pistons
Probe Forged Pistons_PRS Series_Ford 460_Flat Top_1.770 C/H_4.360 Base Bore_-3.0cc_OEM Head_Gas Ported

P/N: 8004-1-10661
  • V/R for OEM Head
  • 1.770 Compression Height
  • 3.850 Stroke
  • 6.605 Rod Length
  • 1.040 Wrist Pin
  • 52100 Bearing Steel Wrist Pins
  • .043 1/16 3/16 Ring Grooves
  • Top or Lateral Gas Ports
  • Nitrous - 400 H/P
  • Forced Induction - 20 lbs
Available Bores Sizes: 4.360, 4.390, 4.400, 4.420, 4.440
Price includes pistons, pins, locks and oil rail spacers (as required)
more info
Probe Forged Pistons
Probe Forged Pistons_PRS Series_Ford 521_Flat Top_1.450 C/H_4.360 Base Bore_-3.0cc_OEM Head_Gas Ported

P/N: 8004-1-13600
  • V/R for OEM Head
  • 1.450 Compression Height
  • 4.300 Stroke
  • 6.700 Rod Length
  • .990 Wrist Pin
  • 52100 Bearing Steel Wrist Pins
  • .043 1/16 3/16 Ring Grooves
  • Top or Lateral Gas Ports
  • Nitrous - 400 H/P
  • Forced Induction - 20 lbs
Available Bores Sizes: 4.360, 4.390, 4.400, 4.420, 4.440
Price includes pistons, pins, locks and oil rail spacers (as required)
more info
Probe Forged Pistons
Probe Forged Pistons_PRS Series_Ford 521_Flat Top_1.350 C/H_4.360 Base Bore_-3.0cc_OEM Head_Gas Ported

P/N: 8004-1-10663
  • V/R for OEM Head
  • 1.350 Compression Height
  • 4.300 Stroke
  • 6.800 Rod Length
  • .990 Wrist Pin
  • 52100 Bearing Steel Wrist Pins
  • .043 1/16 3/16 Ring Grooves
  • Top or Lateral Gas Ports
  • Nitrous - 400 H/P
  • Forced Induction - 20 lbs
Available Bores Sizes: 4.360, 4.390, 4.400, 4.420, 4.440
Price includes pistons, pins, locks and oil rail spacers (as required)
more info
Probe Forged Pistons
Probe Forged Pistons_PRS Series_Ford 545_Flat Top_1.250 C/H_4.360 Base Bore_-3.0cc_OEM Head_Gas Ported

P/N: 8004-1-10671
  • V/R for OEM Head
  • 1.250 Compression Height
  • 4.500 Stroke
  • 6.800 Rod Length
  • .990 Wrist Pin
  • 52100 Bearing Steel Wrist Pins
  • .043 1/16 3/16 Ring Grooves
  • Top or Lateral Gas Ports
  • Nitrous - 400 H/P
  • Forced Induction - 20 lbs
Available Bores Sizes: 4.360, 4.390, 4.400, 4.420, 4.440
Price includes pistons, pins, locks and oil rail spacers (as required)
more info
Probe Forged Pistons
Probe Forged Pistons_PRS Series_Ford 575_Flat Top_1.225 C/H_4.360 Base Bore_-3.0cc_OEM Head_Gas Ported

P/N: 8004-1-10673
  • V/R for OEM Head
  • 1.225 Compression Height
  • 4.750 Stroke
  • 6.700 Rod Length
  • .990 Wrist Pin
  • 52100 Bearing Steel Wrist Pins
  • .043 1/16 3/16 Ring Grooves
  • Top or Lateral Gas Ports
  • Nitrous - 400 H/P
  • Forced Induction - 20 lbs
Available Bores Sizes: 4.360, 4.390, 4.400, 4.420, 4.440
Price includes pistons, pins, locks and oil rail spacers (as required)
more info
Probe Forged Pistons
Probe Forged Pistons_PRS Series_Ford 503_Flat Top_1.415 C/H_4.360 Base Bore_-3.0cc_OEM Head_Gas Ported

P/N: 8004-1-10664
  • V/R for OEM Head
  • 1.415 Compression Height
  • 4.150 Stroke
  • 6.800 Rod Length
  • .990 Wrist Pin
  • 52100 Bearing Steel Wrist Pins
  • .043 1/16 3/16 Ring Grooves
  • Top or Lateral Gas Ports
  • Nitrous - 400 H/P
  • Forced Induction - 20 lbs
Available Bores Sizes: 4.360, 4.390, 4.400, 4.420, 4.440
Price includes pistons, pins, locks and oil rail spacers (as required)
more info