Engines and Components Pistons and Piston Rings

JE Pistons

360 SPRINT CAR ASCS-4.040/.927/14.5

$252.49

SKU: J001 378085L

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In Stock
Ships by Jun 9
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Description

The JE Pistons 378085L is a single dome piston designed for 360 Sprint Car ASCS applications. It features a 4.040-inch bore and is constructed from 2618 forged aluminum for durability and performance.

This piston set includes accumulator grooves, double pin oilers, round wire locks, and wrist pins. It is also manufactured with 3D undercrown milling, contact reduction grooves, and an ultra groove design. The piston's compression ratio varies based on combustion chamber volume: 15.0:1 for 58cc, 13.6:1 for 64cc, and 12.0:1 for 72cc chambers.

Fitment

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Specifications

BrandJE Pistons
Part NumberJ001 378085L

Buy with Confidence

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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