AUTOTEC SMALL BLOCK CHEVY 23deg 4.125" FORGED PISTON SET (PART #RTC-1000237)

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 4.125"
CID/Ltr 428/7.0
Bore Inch 4.125
Bore mm 104.78
Stroke Inch 4
Stoke mm 101.6
Rod Length 6
Comp Dist 1
Crown Volume 0.3cc
CR 1 14.1 @ 58cc
CR 2 13.0 @ 64cc
CR 3 12.1 @ 70cc
Alloy 4032
Weight 425
Pin 0.927
Oil Rails Included Yes
Top Ring 1.5mm
2nd Ring 1.5mm
Oil Ring HT 3.0mm
Piston Style Dome

More From This Category

ICON Piston, 4.125 in. Bore, 1/16, 1/16, 3/16 in. Ring Grooves, For Chevrolet 434 Rod 6.000 Flat Top +4.8cc 2V, .040 Oversized, w/ Rings, Each

ICON Piston, 4.125 in. Bore, 1/16, 1/16, 3/16 in. Ring Grooves, For Chevrolet 434 Rod 6.000 Flat Top +4.8cc 2V, .040 Oversized, w/ Rings, Each

$1,773.86

MANLEY Piston, Extreme Duty, 4.095 in. Bore Size, -20.5cc Dish, HEMI 6.4, Each

MANLEY Piston, Extreme Duty, 4.095 in. Bore Size, -20.5cc Dish, HEMI 6.4, Each

$298.95

RaceTec Pistons, AutoTec, SBC 340/360, Inverted Dish/Dome, 0.07 Oversize, 4.070 Bore, 4.000 Stroke,

RaceTec Pistons, AutoTec, SBC 340/360, Inverted Dish/Dome, 0.07 Oversize, 4.070 Bore, 4.000 Stroke,

$1,313.54

KB Piston, 4 in. Bore, For Chevrolet 383 Rod 5.700 Flat Top +7cc 2V, .030 Oversized, w/ Rings, Each

KB Piston, 4 in. Bore, For Chevrolet 383 Rod 5.700 Flat Top +7cc 2V, .030 Oversized, w/ Rings, Each

$1,056.57

MANLEY Piston, Coated, 1.115 in. Compression Distance, 3.800 in. Bore Size, -7cc Dish, Coated, For Chevrolet 5.3L, Set of 8

MANLEY Piston, Coated, 1.115 in. Compression Distance, 3.800 in. Bore Size, -7cc Dish, Coated, For Chevrolet 5.3L, Set of 8

$1,892.22

MANLEY Piston, 4.080 in. Bore Size, -1.5cc Flat Top, HEMI 6.1, Each

MANLEY Piston, 4.080 in. Bore Size, -1.5cc Flat Top, HEMI 6.1, Each

$236.53