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You are here: Home > Pistons > Autotec Forged Pistons > Chevrolet > Chevrolet - 400 Small Block > Dish Top

Autotec dished top pistons are manufactured on forged side relief, 4032 low expansion, high silicon material excellent for street or strip applications, fitting most 23° heads. They feature:
  • CNC precision machined ring grooves for 1.5 1.5 3.0mm low friction rings.
  • Top ring land gas distribution grooves serve to enhance performance and improve ring seal.
  • .927 diameter, 2.700 long, 51 series steel wrist pins with pin fit, wire locks, broached pin oilers, and gas accumulator grooves included at no extra charge.
  • Diamond turned skirts.
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Autotec Forged Pistons
Autotec Forged Pistons_Chevrolet 377_Dish_1.260 C/H_3.480 Stroke_6.000 Rod_4.145 through 4.165 Bore_ -23.4.0cc_.927 Pin_23° Head

P/N: ATK-1000200_Base
  • V/R for 23° Heads
  • 1.260 Compression Height
  • 3.480 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Rings
  • Nitrous - 150 H/P
  • Forced Induction - 10 lbs
Available Bore Sizes: 4.145, 4.155, 4.165
Price includes pistons, pins, locks and oil rail spacers (as required). more info
Autotec Forged Pistons
Autotec Forged Pistons_Chevrolet 400_Dish_1.125 C/H_3.750 Stroke_6.000 Rod_4.125 through 4.165 Bore_ -24.8cc_.927 Pin_23° Head

P/N: ATK-1000207_Base
  • V/R for 23° Heads
  • 1.425 Compression Height
  • 3.750 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Rings
  • Nitrous - 150 H/P
  • Forced Induction - 10 lbs
Available Bore Sizes: 4.125, 4.145, 4.155, 4.165
Price includes pistons, pins, locks and oil rail spacers (as required). more info
Autotec Forged Pistons
Autotec Forged Pistons_Chevrolet 400_Dish_1.425 C/H_3.750 Stroke_5.700 Rod_4.125 through 4.165 Bore_ -24.8.0cc_.927 Pin_23° Head

P/N: ATK-1000203_Base
  • V/R for 23° Heads
  • 1.425 Compression Height
  • 3.750 Stroke
  • 5.700 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Rings
  • Nitrous - 150 H/P
  • Forced Induction - 10 lbs
Available Bore Sizes: 4.125, 4.145, 4.155, 4.165
Price includes pistons, pins, locks and oil rail spacers (as required). more info
Autotec Forged Pistons
Autotec Forged Pistons_Chevrolet 420_Dish_1.060 C/H_3.875 Stroke_6.000 Rod_4.145 through 4.165 Bore_ -28.0cc_.927 Pin_23° Head

P/N: ATK-1000211_Base
  • V/R for 23° Heads
  • 1.060 Compression Height
  • 3.875 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Rings
  • Nitrous - 150 H/P
  • Forced Induction - 10 lbs
Available Bore Sizes: 4.145, 4.155, 4.165
Price includes pistons, pins, locks and oil rail spacers (as required). more info
Autotec Forged Pistons
Autotec Forged Pistons_Chevrolet 434_Dish_1.000 C/H_4.000 Stroke_6.000 Rod_4.125 through 4.165 Bore_ -25.5cc_.927 Pin_23° Head

P/N: ATK-1000214_Base
  • V/R for 23° Heads
  • 1.000 Compression Height
  • 4.000 Stroke
  • 6.000 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Rings
  • Nitrous - 150 H/P
  • Forced Induction - 10 lbs
Available Bore Sizes: 4.125, 4.145, 4.155, 4.165
Price includes pistons, pins, locks and oil rail spacers (as required). more info