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


Dish top pistons in a Chevrolet 400 to 434 engine will generally provide compression ratios in the 9.5 to 10.5:1 range which makes them a good option for engines with aluminum heads and larger than stock camshafts. 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 400_Dish_1.125 C/H_4.125 Base Bore_-15.0cc_.927 Pin_23° Wedge Head

P/N: 8122-2-12341
  • 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_Dish_1.425 C/H_4.125 Base Bore_-15.0cc_.927 Pin_23° Wedge Head

P/N: 8122-2-12340
  • 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 400_Dish_1.425 C/H_4.125 Base Bore_-22.5cc_.927 Pin_23° Wedge Head

P/N: 8122-2-13740
  • 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_Dish_1.062 C/H_4.125 Base Bore_-20.5cc_.927 Pin_23° Wedge Head

P/N: 8122-2-14890
  • 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 421_Dish_1.067 C/H_4.125 Base Bore_-15.0cc_.927 Pin_23° Wedge Head

P/N: 8122-2-14929
  • V/R for 23° Wedge Head
  • 1.067 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 421_Dish_1.077 C/H_4.125 Base Bore_-20.5cc_.927 Pin_23° Wedge Head

P/N: 8122-2-14889
  • V/R for 23° Wedge Head
  • 1.077 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_Dish_1.000 C/H_4.125 Base Bore_-23.6cc_.927 Pin_23° Wedge Head

P/N: 8122-2-14895
  • 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_Dish_1.015 C/H_4.125 Base Bore_-15.0cc_.927 Pin_23° Wedge Head

P/N: 8122-2-14925
  • 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
Probe Forged Pistons
Probe SRS Series Forged Pistons_Chevrolet 434_Dish_1.015 C/H_4.125 Base Bore_-23.6cc_.927 Pin_23° Wedge Head

P/N: 8122-2-14892
  • 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