AUTOTEC LS 15deg FORGED PISTON SET (PART #RTC-1000597)

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 LS 15deg
CID/Ltr 366/6.0
Bore Inch 4.01
Bore mm 101.85
Stroke Inch 3.622
Stoke mm 92
Rod Length 6.125
Comp Dist 1.315
Crown Volume -3.3cc
CR 1 11.3 @ 65cc
CR 2 10.7 @ 68cc
CR 3 10.0 @ 70cc
Alloy 4032
Weight 445
Pin 0.927
Oil Rails Included N/A
Top Ring 1.5mm
2nd Ring 1.5mm
Oil Ring HT 3.0mm
Piston Style Flat Top, two valve reliefs

More From This Category

ICON Piston and Ring Kit, FHR Forged, Step Dish, 4.185 in. Bore, Chevy, Small Block, Kit

ICON Piston and Ring Kit, FHR Forged, Step Dish, 4.185 in. Bore, Chevy, Small Block, Kit

$1,422.96

MANLEY Piston, 1.270 in. Compression Distance, 88 mm Bore Size, -13.3cc Dish, For Mazda Speed, Set of 4

MANLEY Piston, 1.270 in. Compression Distance, 88 mm Bore Size, -13.3cc Dish, For Mazda Speed, Set of 4

$1,429.40

MANLEY Piston, 3.917 in. Bore Size, 9.3cc Dome, HEMI 5.7, Set of 8

MANLEY Piston, 3.917 in. Bore Size, 9.3cc Dome, HEMI 5.7, Set of 8

$1,892.22

RaceTec Pistons, AutoTec, SBC 23deg 4.000, Inverted Dome/Milled Dish, 0.03 Oversize, 4.030 Bore,

RaceTec Pistons, AutoTec, SBC 23deg 4.000, Inverted Dome/Milled Dish, 0.03 Oversize, 4.030 Bore,

$1,313.54

KB Piston, 4 in. Bore, For Chevrolet 383, Rod 5.700, D-Cup +18cc 2V, .040 Oversized, w/ Rings, Each

KB Piston, 4 in. Bore, For Chevrolet 383, Rod 5.700, D-Cup +18cc 2V, .040 Oversized, w/ Rings, Each

$1,085.34

MANLEY Piston, 1.375 in. Compression Distance, 86 mm Bore Size, -2.5cc Flat Top, For Mitsubishi Eclipse GS/GST, Set of 4

MANLEY Piston, 1.375 in. Compression Distance, 86 mm Bore Size, -2.5cc Flat Top, For Mitsubishi Eclipse GS/GST, Set of 4

$1,429.40