AUTOTEC SMALL BLOCK FORD 302/351W TWISTED WEDGE FORGED PISTON SET (PART #RTC-1000405)

RaceTec AutoTec Forged Pistons

RaceTec's AutoTec line of forged pistons offers high-quality, precision manufactured options at competitive pricing. The primary material used for AutoTec pistons is 4032 high-silicone aluminum alloy which is extremely durable, has great wear resistance, a low expansion rate, and is very low in friction.

The most common applications for AutoTec pistons include muscle car restorations, performance street rods, as well as many spec racing classes. They can also withstand mild nitrous kits, small turbos, or superchargers. A large selection of sizes and styles is available. Choose the proper fit for your application build.

Additional features for most pistons in the AutoTec line:

  • CNC Precision machined ring grooves
  • Top ring land gas distribution groove to enhance performance and improve ring seal
  • Wrist pins, pin fitting, wire locks, broached pin oilers, and accumulator groove are included
  • Diamond turned skirts

SPECIFICATIONS

Engine Family Small Block Ford 302/351W Twisted Wedge
CID/Ltr 336/5.5
Bore Inch 4.06
Bore mm 103.12
Stroke Inch 3.25
Stoke mm 82.55
Rod Length 5.4
Comp Dist 1.165
Crown Volume -17.3cc
CR 1 9.6 @ 58cc
CR 2 9.0 @ 64cc
CR 3 8.6 @ 70cc
Alloy 4032
Weight 443
Pin 0.927
Oil Rails Included Yes
Top Ring 1.5mm
2nd Ring 1.5mm
Oil Ring HT 3.0mm
Piston Style Dish

More From This Category

ICON Piston 4.0 in. Bore, For Chevrolet SB V8 Gen III/IV (LS2/LS3/LSA/LS9/L99 6.0/6.2L Block)

ICON Piston 4.0 in. Bore, For Chevrolet SB V8 Gen III/IV (LS2/LS3/LSA/LS9/L99 6.0/6.2L Block)

$2,002.97

ICON Piston, 4 in. Bore, 1/16, 1/16, 3/16 in. Ring Grooves, For Chevrolet 383 Rod 6.000 Flat Top +4.9cc 2V, .STD Oversized, w/ Rings, Each

ICON Piston, 4 in. Bore, 1/16, 1/16, 3/16 in. Ring Grooves, For Chevrolet 383 Rod 6.000 Flat Top +4.9cc 2V, .STD Oversized, w/ Rings, Each

$1,564.71

MANLEY Piston, Extreme Duty, 1.375 in. Compression Distance, 86.5 mm Bore Size, -8cc Dish, For Mitsubishi Eclipse GS/GST, Each

MANLEY Piston, Extreme Duty, 1.375 in. Compression Distance, 86.5 mm Bore Size, -8cc Dish, For Mitsubishi Eclipse GS/GST, Each

$420.92

RaceTec Pistons, AutoTec, BBC, Small Dome, STD Bore, 4.470 Bore, 4.000 Stroke, 1.645 Comp HT, Set

RaceTec Pistons, AutoTec, BBC, Small Dome, STD Bore, 4.470 Bore, 4.000 Stroke, 1.645 Comp HT, Set

$1,435.42

ICON Piston and Ring Kit, Hypereutectic, Dome, 4.020 in. Bore, GM, V6, Kit

ICON Piston and Ring Kit, Hypereutectic, Dome, 4.020 in. Bore, GM, V6, Kit

$1,016.39

MANLEY Piston, Extreme Duty, 1.180 in. Compression Distance, 86.5 mm Bore Size, -8cc Dish, For Toyota Supra, Set of 6

MANLEY Piston, Extreme Duty, 1.180 in. Compression Distance, 86.5 mm Bore Size, -8cc Dish, For Toyota Supra, Set of 6

$2,525.46