Autotec Forged Pistons

Custom Piston Worksheet & Order Form (pdf)

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Autotec flat top pistons are manufactured on forged side relief, 4032 low expansion, high silicon material excellent for street or strip applications, fitting heads with OEM valve locations.

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.
.990 or 1.040 diameter, 2.800 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_Ford 390_Flat_1.770 C/H_3.780 Stroke_6.490 Rod_4.080 Bore_-5.0cc_.975 Pin_Standard Head

List Price: $740.00

Price $736.00

P/N: ATK-1000778

V/R for Standard Valve Location
1.770 Compression Height
3.780 Stroke
6.490 Rod Length
.975 Wrist Pin Diameter
1.5 1.5 3.0 Rings
Nitrous - 150 H/P
Forced Induction - 10 lbs

Available Bore Sizes: 4.080
Price includes pistons, pins, locks and oil rail spacers (as required).

Autotec Forged Pistons_Ford 416_Flat_1.670 C/H_3.980 Stroke_6.490 Rod_4.080 Bore_-5.0cc_.975 Pin_Standard Head

Price $665.00

P/N: ATK-1000779

V/R for Standard Valve Location
1.670 Compression Height
3.980 Stroke
6.490 Rod Length
.975 Wrist Pin Diameter
1.5 1.5 3.0 Rings
Nitrous - 150 H/P
Forced Induction - 10 lbs

Available Bore Sizes: 4.080
Price includes pistons, pins, locks and oil rail spacers (as required).

Autotec Forged Pistons_Ford 429_Flat_1.770 C/H_3.780 Stroke_6.490 Rod_4.250 Bore_-5.0cc_.975 Pin_Standard Head

Price $665.00

P/N: ATK-1000783

V/R for Standard Valve Location
1.770 Compression Height
3.780 Stroke
6.490 Rod Length
.975 Wrist Pin Diameter
1.5 1.5 3.0 Rings
Nitrous - 150 H/P
Forced Induction - 10 lbs

Available Bore Sizes: 4.080
Price includes pistons, pins, locks and oil rail spacers (as required).