AUTOTEC SMALL BLOCK CHEVY 23deg 4.000" FORGED PISTON SET (PART #RTC-1000151)

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 Chevy 23deg 4.000"
CID/Ltr 385/6.3
Bore Inch 4.04
Bore mm 102.62
Stroke Inch 3.75
Stoke mm 95.25
Rod Length 5.85
Comp Dist 1.285
Crown Volume -19.4cc
CR 1 10.1 @ 58cc
CR 2 9.5 @ 64cc
CR 3 9.0 @ 70cc
Alloy 4032
Weight 440
Pin 0.927
Oil Rails Included N/A
Top Ring 1.5mm
2nd Ring 1.5mm
Oil Ring HT 3.0mm
Piston Style Dish

More From This Category

MANLEY Piston, Coated, 4.060 in. Bore Size, 11.5cc Dish, HEMI 6.1, Each

MANLEY Piston, Coated, 4.060 in. Bore Size, 11.5cc Dish, HEMI 6.1, Each

$236.53

MANLEY Piston, 1.065 in. Compression Distance, 4.130 in. Bore Size, -31cc Dish, For Chevrolet LS, Each

MANLEY Piston, 1.065 in. Compression Distance, 4.130 in. Bore Size, -31cc Dish, For Chevrolet LS, Each

$236.53

MANLEY Piston, Turbo Tuff, 1.313 in. Compression Distance, 86.5 mm Bore Size, -5 Dish, For Mitsubishi EVO X 08-Up, Set of 4

MANLEY Piston, Turbo Tuff, 1.313 in. Compression Distance, 86.5 mm Bore Size, -5 Dish, For Mitsubishi EVO X 08-Up, Set of 4

$2,031.34

MANLEY Piston, Coated, 3.937 in. Bore Size, 12cc Dish, HEMI 5.7, Each

MANLEY Piston, Coated, 3.937 in. Bore Size, 12cc Dish, HEMI 5.7, Each

$236.53

Nitto Pistons for Nissan RB30, SOHC, Standard Stroke, Low Compression, 87.0MM (+.040"), 2 Valve Relief, -12cc Dish, Heavy Duty Forging, set

Nitto Pistons for Nissan RB30, SOHC, Standard Stroke, Low Compression, 87.0MM (+.040"), 2 Valve Relief, -12cc Dish, Heavy Duty Forging, set

$2,520.00

Nitto Pistons for Nissan RB30, Stroker, 3.2L, DOHC, 87.0MM (+.040"), +5cc Dome, Heavy Duty Forging, set

Nitto Pistons for Nissan RB30, Stroker, 3.2L, DOHC, 87.0MM (+.040"), +5cc Dome, Heavy Duty Forging, set

$2,520.00