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You are here: Home > Pistons > Autotec Forged Pistons > Ford > Ford - 351 Windsor > Flat Top

Autotec flat top pistons are manufactured on forged side relief, 4032 low expansion, high silicon material excellent for street or strip applications, fitting most 20° heads.

Autotec flat top pistons 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.
  • .912 or .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_Ford 351W Big Bore_Flat_1.235 C/H_4.000 Stroke_6.250 Rod_4.125 Bore_-5.0cc_.927 Pin_20° Head

P/N: ATK-1000725_Base
  • V/R for 20° Heads
  • 1.280 Compression Height
  • 4.000 Stroke
  • 6.250 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
Price includes pistons, pins, locks and oil rail spacers (as required).
more info
Autotec Forged Pistons
Autotec_Ford 351W Big Bore_Flat_1.280 C/H_4.000 Stroke_6.200 Rod_4.125 Bore_-5.0cc_.927 Pin_20° Head

P/N: ATK-1000465_Base
  • V/R for 20° Heads
  • 1.280 Compression Height
  • 4.000 Stroke
  • 6.200 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
Price includes pistons, pins, locks and oil rail spacers (as required).
more info
Autotec Forged Pistons
Autotec_Ford 351W Big Bore_Flat_1.305 C/H_4.100 Stroke_6.125 Rod_4.125 Bore_-5.0cc_.927 Pin_20° Head

P/N: ATK-1000726_Base
  • V/R for 20° Heads
  • 1.305 Compression Height
  • 4.100 Stroke
  • 6.125 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
Price includes pistons, pins, locks and oil rail spacers (as required).
more info
Autotec Forged Pistons
Autotec_Ford 351W Big Bore_Flat_1.350 C/H_3.875 Stroke_6.200 Rod_4.125 through 4.145 Bore_-5.0cc_.927 Pin_20° Head

P/N: ATK-1000460_Base
  • V/R for 20° Heads
  • 1.350 Compression Height
  • 3.875 Stroke
  • 6.200 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
Price includes pistons, pins, locks and oil rail spacers (as required).
more info
Autotec Forged Pistons
Autotec_Ford 351W Big Bore_Flat_1.430 C/H_3.700 Stroke_6.200 Rod_4.125 through 4.145 Bore_-5.0cc_.927 Pin_20° Head

P/N: ATK-1000442_Base
  • V/R for 20° Heads
  • 1.430 Compression Height
  • 3.700 Stroke
  • 6.200 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
Price includes pistons, pins, locks and oil rail spacers (as required).
more info
Autotec Forged Pistons
Autotec_Ford 351W_Flat_1.235 C/H_4.000 Stroke_6.200 Rod_4.030 through 4.040 Bore_-5.0cc_.927 Pin_20° Head

P/N: ATK-1000466_Base
  • V/R for 20° Heads
  • 1.235 Compression Height
  • 4.100 Stroke
  • 6.200 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Rings
  • Nitrous - 150 H/P
  • Forced Induction - 10 lbs
Available Bore Sizes: 4.030, 4.040
Price includes pistons, pins, locks and oil rail spacers (as required).
more info
Autotec Forged Pistons
Autotec_Ford 351W_Flat_1.280 C/H_4.000 Stroke_6.200 Rod_4.030 through 4.060 Bore_-5.0cc_.927 Pin_20° Head

P/N: ATK-1000463_Base
  • V/R for 20° Heads
  • 1.280 Compression Height
  • 4.000 Stroke
  • 6.200 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Rings
  • Nitrous - 150 H/P
  • Forced Induction - 10 lbs
Available Bore Sizes: 4.030, 4.040, 4.060
Price includes pistons, pins, locks and oil rail spacers (as required).
more info
Autotec Forged Pistons
Autotec_Ford 351W_Flat_1.305 C/H_3.850 Stroke_6.250 Rod_4.030 through 4.040 Bore_-5.0cc_.927 Pin_20° Head

P/N: ATK-1000455_Base
  • V/R for 20° Heads
  • 1.305 Compression Height
  • 3.850 Stroke
  • 6.250 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Rings
  • Nitrous - 150 H/P
  • Forced Induction - 10 lbs
Available Bore Sizes: 4.030, 4.040
Price includes pistons, pins, locks and oil rail spacers (as required).
more info
Autotec Forged Pistons
Autotec_Ford 351W_Flat_1.350 C/H_3.875 Stroke_6.200 Rod_4.030 through 4.040 Bore_-5.0cc_.927 Pin_20° Head

P/N: ATK-1000458_Base
  • V/R for 20° Heads
  • 1.350 Compression Height
  • 3.875 Stroke
  • 6.200 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Rings
  • Nitrous - 150 H/P
  • Forced Induction - 10 lbs
Available Bore Sizes: 4.030, 4.040
Price includes pistons, pins, locks and oil rail spacers (as required).
more info
Autotec Forged Pistons
Autotec_Ford 351W_Flat_1.430 C/H_3.700 Stroke_6.200 Rod_4.030 through 4.040 Bore_-5.0cc_.927 Pin_20° Head

P/N: ATK-1000440_Base
  • V/R for 20° Heads
  • 1.430 Compression Height
  • 3.700 Stroke
  • 6.200 Rod Length
  • .927 Wrist Pin Diameter
  • 1.5 1.5 3.0 Rings
  • Nitrous - 150 H/P
  • Forced Induction - 10 lbs
Available Bore Sizes: 4.030, 4.040
Price includes pistons, pins, locks and oil rail spacers (as required).
more info