Engines and Components Pistons and Piston Rings

JE Pistons

SBC LS1 VORTEC 5.3L 22RD -7CC 10.25

$1,027.96

SKU: J001 K473M96

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Description

High-performance, forged piston kit for GM LS 5.3L / 327ci (Gen III/Gen IV LS) engines. Features: 7cc dish, 3.780" bore, compatible with 4.000" stroke and 6.125" connecting rod length. Crafted from 2618 high-strength alloy with ArmorGlide® skirt coating, fully machined crowns, precision ring grooves, and anti-detonation/pressure seal grooves. Includes .927" wrist pins. Requires 1/16 1/16 3.0mm piston rings (sold separately). Compression ratio: 9.8:1 with 66cc heads, 9.5:1 with 70cc heads. Engineered, forged, and machined in the U.S.

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Specifications

BrandJE Pistons
Part NumberJ001 K473M96

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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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