AUTOTEC SMALL BLOCK CHEVY 23deg 4.125" FORGED PISTON SET (PART #RTC-1000235)

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 418/6.8
Bore Inch 4.145
Bore mm 105.28
Stroke Inch 3.875
Stoke mm 98.43
Rod Length 6
Comp Dist 1.06
Crown Volume 1.9cc
CR 1 14.1 @ 58cc
CR 2 13.0 @ 64cc
CR 3 12.1 @ 70cc
Alloy 4032
Weight 453
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 in. Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, For Chevrolet 350 Rod 5.700 Flat Top 5cc, .030 Oversized, Each

ICON Piston, 4 in. Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, For Chevrolet 350 Rod 5.700 Flat Top 5cc, .030 Oversized, Each

$1,838.81

ICON Piston, 4 in. Bore, 1/16, 1/16, 3/16 in. Ring Grooves, For Chevrolet 350 Rod 5.700 Hollow Dome -13cc 2V, .040 Oversized, w/ Rings, Each

ICON Piston, 4 in. Bore, 1/16, 1/16, 3/16 in. Ring Grooves, For Chevrolet 350 Rod 5.700 Hollow Dome -13cc 2V, .040 Oversized, w/ Rings, Each

$1,748.12

KB Piston, 4 in. Bore, For Chevrolet 383 Rod 6.000 Hollow Dome -11cc 2V, .040 Oversized, w/ Rings, Each

KB Piston, 4 in. Bore, For Chevrolet 383 Rod 6.000 Hollow Dome -11cc 2V, .040 Oversized, w/ Rings, Each

$1,025.42

KB Piston, 4.125 in. Bore, For Chevrolet 400 Rod 5.7, Solid Dome -3.3cc 2V, .040 Oversized, w/ Rings, Each

KB Piston, 4.125 in. Bore, For Chevrolet 400 Rod 5.7, Solid Dome -3.3cc 2V, .040 Oversized, w/ Rings, Each

$1,169.57

KB Piston, 4 in. Bore, For Chevrolet 350 Rod 5.700 Flat Top 0cc No Valve, .030 Oversized, w/ Rings, Each

KB Piston, 4 in. Bore, For Chevrolet 350 Rod 5.700 Flat Top 0cc No Valve, .030 Oversized, w/ Rings, Each

$1,034.00

MANLEY Piston, 1.181 in. Compression Distance, 87 mm Bore Size, -1cc Flat Top, For Honda CRV 2.4, Set of 4

MANLEY Piston, 1.181 in. Compression Distance, 87 mm Bore Size, -1cc Flat Top, For Honda CRV 2.4, Set of 4

$1,307.13