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You are here: Home > Pistons > Probe Forged Pistons > SRS - Sportsman Race Series > Chevrolet > Chevrolet - 400 Small Block > Dome Top



Dome top pistons in a Chevrolet 400 to 434 engine will generally provide compression ratios in the 13 to 14.0:1 range which makes them a good option for competition engines. Valve reliefs are configured to work with most types of standard and aluminum 23° cylinder heads and will normally fit camshafts to well over .600 valve lift.

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Probe Forged Pistons
Probe SRS Series Forged Pistons_Chevrolet 377_Dome_1.260 C/H_4.125 Base Bore_11.4cc_.927 Pin_23° Wedge Head

P/N: 8122-3-13956
  • V/R for 23° Wedge Head
  • 1.260 Compression Height
  • 3.480 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 12 lbs
Available Bore Sizes: 4.125, 4.155, 4.165, 4.185
Price includes pistons, pins, locks and oil rail spacers (as required) more info
Probe Forged Pistons
Probe SRS Series Forged Pistons_Chevrolet 377_Dome_1.560 C/H_4.125 Base Bore_11.4cc_.927 Pin_23° Wedge Head

P/N: 8122-3-13957
  • V/R for 23° Wedge Head
  • 1.260 Compression Height
  • 3.480 Stroke
  • 5.700 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 12 lbs
Available Bore Sizes: 4.125, 4.155, 4.165, 4.185
Price includes pistons, pins, locks and oil rail spacers (as required) more info
Probe Forged Pistons
Probe SRS Series Forged Pistons_Chevrolet 400_Dome_1.125 C/H_4.125 Base Bore_11.6cc_.927 Pin_23° Wedge Head

P/N: 8122-3-14933
  • PRS Alcoholic (14.0:1)
  • V/R for 23° Wedge Head
  • 1.125 Compression Height
  • 3.750 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 12 lbs
Available Bore Sizes: 4.125, 4.155, 4.165, 4.185
Price includes pistons, pins, locks and oil rail spacers (as required) more info
Probe Forged Pistons
Probe SRS Series Forged Pistons_Chevrolet 400_Dome_1.125 C/H_4.125 Base Bore_6.3cc_.927 Pin_23° Wedge Head

P/N: 8122-3-13726
  • V/R for 23° Wedge Head
  • 1.125 Compression Height
  • 3.750 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 12 lbs
Available Bore Sizes: 4.125, 4.155, 4.165, 4.185
Price includes pistons, pins, locks and oil rail spacers (as required) more info
Probe Forged Pistons
Probe SRS Series Forged Pistons_Chevrolet 400_Dome_1.425 C/H_4.125 Base Bore_6.3cc_.927 Pin_23° Wedge Head

P/N: 8122-3-13725
  • V/R for 23° Wedge Head
  • 1.425 Compression Height
  • 3.750 Stroke
  • 5.700 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 12 lbs
Available Bore Sizes: 4.125, 4.155, 4.165, 4.185
Price includes pistons, pins, locks and oil rail spacers (as required) more info
Probe Forged Pistons
Probe SRS Series Forged Pistons_Chevrolet 421_Dome_1.062 C/H_4.125 Base Bore_3.9cc_.927 Pin_23° Wedge Head

P/N: 8122-3-14796
  • V/R for 23° Wedge Head
  • 1.062 Compression Height
  • 3.875 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 12 lbs
Available Bore Sizes: 4.125, 4.155, 4.165, 4.185
Price includes pistons, pins, locks and oil rail spacers (as required) more info
Probe Forged Pistons
Probe SRS Series Forged Pistons_Chevrolet 434_Dome_1.000 C/H_4.125 Base Bore_1.7cc_.927 Pin_23° Wedge Head

P/N: 8122-3-14109
  • V/R for 23° Wedge Head
  • 1.000 Compression Height
  • 4.000 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 12 lbs
Available Bore Sizes: 4.125, 4.155, 4.165, 4.185
Price includes pistons, pins, locks and oil rail spacers (as required) more info
Probe Forged Pistons
Probe SRS Series Forged Pistons_Chevrolet 434_Dome_1.000 C/H_4.125 Base Bore_7.3cc_.927 Pin_23° Wedge Head_The Alcoholic (14.0:1)

P/N: 8122-3-14934
  • SRS Alcoholic (14.0:1)
  • V/R for 23° Wedge Head
  • 1.000 Compression Height
  • 4.000 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 12 lbs
Available Bore Sizes: 4.125, 4.155, 4.165, 4.185
Price includes pistons, pins, locks and oil rail spacers (as required) more info
Probe Forged Pistons
Probe SRS Series Forged Pistons_Chevrolet 434_Dome_1.015 C/H_4.125 Base Bore_1.7cc_.927 Pin_23° Wedge Head

P/N: 8122-3-14831
  • V/R for 23° Wedge Head
  • 1.015 Compression Height
  • 4.000 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Ring Grooves
  • Nitrous - 250 H/P
  • Forced Induction - 12 lbs
Available Bore Sizes: 4.125, 4.155, 4.165, 4.185
Price includes pistons, pins, locks and oil rail spacers (as required) more info