Engines and Components› Pistons and Piston Rings

RACE TEC PISTONS

GM LS Dished Piston Set 4.030 Bore -10cc

$799.00

SKU: R0AE 1000738

In Stock
In Stock
Ships by Jun 8
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

AutoTec, LS 15°, Dish, 4.030 Bore 4.125 Stroke 1.053 Comp HT. These forged pistons are made from 4032 alloy and have a dish style. They have a 4.030 inch (102.36mm) bore, 4.125 inch (104.78mm) stroke, 6.125 inch rod length, 1.053 inch compression distance, and -10cc crown volume. The compression ratios are 11.5 @ 65cc, 11.0 @ 68cc, and 10.3 @ 70cc. The piston weight is 399g and the pin is 0.927. Oil rails are included, and the top ring is 1.5mm, second ring is 1.5mm, and oil ring height is 3.0mm.

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Specifications

BrandRACE TEC PISTONS
Part NumberR0AE 1000738

Videos

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Racetec Pistons Shop Tour
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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