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You are here: Home > Pistons > Probe Forged Pistons > PRS - Professional Race Series > Chrysler > Chrysler - Big Block > Flat Top



Flat top pistons in a BB Chrysler engine will generally provide compression ratios in the 10 to 12.0:1 range which makes them a good option for naturally aspirated engines with larger than stock camshafts and aluminum heads. Valve reliefs are configured to work with most types of head with standard valve locations and will normally fit camshafts to well over .700 valve lift.




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Probe Forged Pistons
Probe Forged Pistons_PRS Series_Chrysler 440_Flat_2.070 C/H_4.320 Base Bore_-4.0cc_.990 Pin_Standard Wedge Head_Gas Ported

P/N: 8044-1-14790
  • V/R for Standard Wedge Head
  • 2.070 Compression Height
  • 3.750 Stroke
  • 6.768 Rod Length
  • .990 Wrist Pin
  • 52100 Bearing Steel Wrist Pins
  • .043 1/16 3.0 Ring Grooves
  • Top or Lateral Gas Ports
  • Nitrous - 400 H/P
  • Forced Induction - 20 lbs
Available Bore Sizes: 4.320, 4.350, 4.360, 4.380
Price includes pistons, pins, locks and oil rail spacers (as required)
more info
Probe Forged Pistons
Probe Forged Pistons_PRS Series_Chrysler 440_Flat_2.070 C/H_4.320 Base Bore_-4.0cc_1.094 Pin_Standard Wedge Head_Gas Ported

P/N: 8044-1-12498
  • V/R for Standard Wedge Head
  • 2.070 Compression Height
  • 3.750 Stroke
  • 6.768 Rod Length
  • 1.094 Wrist Pin
  • 52100 Bearing Steel Wrist Pins
  • .043 1/16 3.0 Ring Grooves
  • Top or Lateral Gas Ports
  • Nitrous - 400 H/P
  • Forced Induction - 20 lbs
Available Bore Sizes: 4.320, 4.350, 4.360, 4.380
Price includes pistons, pins, locks and oil rail spacers (as required)
more info
Probe Forged Pistons
Probe Forged Pistons_PRS Series_Chrysler 493_Flat_1.870 C/H_4.320 Base Bore_-4.0cc_.990 Pin_Standard Wedge Head_Gas Ported

P/N: 8044-1-14778
  • V/R for Standard Wedge Head
  • 1.870 Compression Height
  • 4.150 Stroke
  • 6.768 Rod Length
  • .990 Wrist Pin
  • 52100 Bearing Steel Wrist Pins
  • .043 1/16 3.0 Ring Grooves
  • Top or Lateral Gas Ports
  • Nitrous - 400 H/P
  • Forced Induction - 20 lbs
Available Bore Sizes: 4.320, 4.350, 4.360, 4.380
Price includes pistons, pins, locks and oil rail spacers (as required)
more info
Probe Forged Pistons
Probe Forged Pistons_PRS Series_Chrysler 493_Flat_1.870 C/H_4.320 Base Bore_-4.0cc_1.094 Pin_Standard Wedge Head_Gas Ported

P/N: 8044-1-12233
  • V/R for Standard Wedge Head
  • 1.870 Compression Height
  • 4.150 Stroke
  • 6.768 Rod Length
  • 1.094 Wrist Pin
  • 52100 Bearing Steel Wrist Pins
  • .043 1/16 3.0 Ring Grooves
  • Top or Lateral Gas Ports
  • Nitrous - 400 H/P
  • Forced Induction - 20 lbs
Available Bore Sizes: 4.320, 4.350, 4.360, 4.380
Price includes pistons, pins, locks and oil rail spacers (as required)
more info
Probe Forged Pistons
Probe Forged Pistons_PRS Series_Chrysler 505_Flat_1.770 C/H_4.320 Base Bore_-4.0cc_.990 Pin_Standard Wedge Head_Gas Ported

P/N: 8044-1-14888
  • V/R for Standard Wedge Head
  • 1.870 Compression Height
  • 4.250 Stroke
  • 6.800 Rod Length
  • .990 Wrist Pin
  • 52100 Bearing Steel Wrist Pins
  • .043 1/16 3.0 Ring Grooves
  • Top or Lateral Gas Ports
  • Nitrous - 400 H/P
  • Forced Induction - 20 lbs
Available Bore Sizes: 4.320, 4.350, 4.360, 4.380
Price includes pistons, pins, locks and oil rail spacers (as required)
more info
Probe Forged Pistons
Probe Forged Pistons_PRS Series_Chrysler 535_Flat_1.340 C/H_4.320 Base Bore_-4.0cc_.990 Pin_Standard Wedge Head_Gas Ported

P/N: 8044-1-14891
  • V/R for Standard Wedge Head
  • 1.340 Compression Height
  • 4.500 Stroke
  • 7.100 Rod Length
  • .990 Wrist Pin
  • 52100 Bearing Steel Wrist Pins
  • .043 1/16 3.0 Ring Grooves
  • Top or Lateral Gas Ports
  • Nitrous - 400 H/P
  • Forced Induction - 20 lbs
Available Bore Sizes: 4.320, 4.350, 4.360, 4.380
Price includes pistons, pins, locks and oil rail spacers (as required)
more info