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You are here: Home > Pistons > Probe Forged Pistons > PRS - Professional Race Series > Chevrolet > Chevrolet - LS Series > Dome Top



Dome top pistons for the Chevrolet LS 5.3L

Dome top pistons in a Chevrolet LS Series engine will generally provide compression ratios in the 13.0:1 range which makes them a good option for racing engines, either naturally aspirated or with nitrous oxide, aluminum heads and larger than stock camshafts.

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Probe Forged Pistons
Probe Forged Pistons_PRS Series_Chevrolet LS_Dome_1.050 C/H_4.065 Base Bore_9.5cc_.927 Pin_15d Head_Gas Ported

P/N: 8033-3-15041
  • V/R for 15d OEM Head
  • 1.050 Compression Height
  • 4.125 Stroke
  • 6.125 Rod Length
  • .927 Wrist Pin
  • 52100 Bearing Steel Wrist Pins
  • .1.2 1.2 3.0 Ring Grooves
  • Top or Lateral Gas Ports
  • Nitrous - 400 H/P
  • Forced Induction - 20 lbs
Available Bore Sizes: 4.065, 4.070, 4.075, 4.080
Price includes pistons, pins, locks and oil rail spacers (as required) more info
Probe Forged Pistons
Probe Forged Pistons_PRS Series_Chevrolet LS_Dome_1.110 C/H_4.000 Base Bore_10.0cc_.927 Pin_15d Head_Gas Ported

P/N: 8032-3-15045
  • V/R for 15d OEM Head
  • 1.110 Compression Height
  • 4.000 Stroke
  • 6.125 Rod Length
  • .927 Wrist Pin
  • 52100 Bearing Steel Wrist Pins
  • .1.2 1.2 3.0 Ring Grooves
  • Top or Lateral Gas Ports
  • Nitrous - 400 H/P
  • Forced Induction - 20 lbs
Available Bore Sizes: 4.005, 4.030, 4.040, 4.125
Price includes pistons, pins, locks and oil rail spacers (as required) more info
Probe Forged Pistons
Probe Forged Pistons_PRS Series_Chevrolet LS_Dome_1.110 C/H_4.065 Base Bore_11.8cc_.927 Pin_15d Head_Gas Ported

P/N: 8033-3-15042
  • V/R for 15d OEM Head
  • 1.110 Compression Height
  • 4.000 Stroke
  • 6.125 Rod Length
  • .927 Wrist Pin
  • 52100 Bearing Steel Wrist Pins
  • .1.2 1.2 3.0 Ring Grooves
  • Top or Lateral Gas Ports
  • Nitrous - 400 H/P
  • Forced Induction - 20 lbs
Available Bore Sizes: 4.065, 4.070, 4.075, 4.080
Price includes pistons, pins, locks and oil rail spacers (as required) more info
Probe Forged Pistons
Probe Forged Pistons_PRS Series_Chevrolet LS7_Dome_1.055 C/H_4.125 Base Bore_5.5cc_.927 Pin_12d LS7 Head_Gas Ported

P/N: 8034-3-25063
  • V/R for 12d LS7 Head
  • 1.055 Compression Height
  • 4.125 Stroke
  • 6.125 Rod Length
  • .927 Wrist Pin
  • 52100 Bearing Steel Wrist Pins
  • .1.2 1.2 3.0 Ring Grooves
  • Top or Lateral Gas Ports
  • Nitrous - 400 H/P
  • Forced Induction - 20 lbs
Available Bore Sizes: 4.125, 4.130, 4.135, 4.155
Price includes pistons, pins, locks and oil rail spacers (as required) more info
Probe Forged Pistons
Probe Forged Pistons_PRS Series_Chevrolet LS7_Dome_1.110 C/H_4.125 Base Bore_5.5cc_.927 Pin_12d LS7 Head_Gas Ported

P/N: 8034-3-25062
  • V/R for 12d LS7 Head
  • 1.110 Compression Height
  • 4.000 Stroke
  • 6.125 Rod Length
  • .927 Wrist Pin
  • 52100 Bearing Steel Wrist Pins
  • .1.2 1.2 3.0 Ring Grooves
  • Top or Lateral Gas Ports
  • Nitrous - 400 H/P
  • Forced Induction - 20 lbs
Available Bore Sizes: 4.125, 4.130, 4.135, 4.155
Price includes pistons, pins, locks and oil rail spacers (as required) more info
Probe Forged Pistons
Probe Forged Pistons_PRS Series_Chevrolet LT1_Dome_1.300 C/H_4.065 Base Bore_0.6cc_.927 Pin_(14_16) LT1 15d Head_Gas Ported

P/N: 8035-3-35069
  • V/R for Gen III LT1 15d Head
  • 1.300 Compression Height
  • 3.622 Stroke
  • 6.125 Rod Length
  • .927 Wrist Pin
  • 52100 Bearing Steel Wrist Pins
  • .1.2 1.2 3.0 Ring Grooves
  • Top or Lateral Gas Ports
  • Nitrous - 400 H/P
  • Forced Induction - 20 lbs
Available Bore Sizes: 4.065, 4.070
Price includes pistons, pins, locks and oil rail spacers (as required) more info