Engines and Components› Pistons and Piston Rings

JE Pistons

360 SPRINT CAR ASCS-4.125/.927/14.5

$252.49

SKU: J001 378090R

In Stock
In Stock
Ships by Jun 10
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The JE Pistons 378090R is a single, dome-head piston designed for performance applications. It features a 4.125-inch bore diameter, a 1.335-inch compression height, and a 0.927-inch piston pin diameter. Constructed from 2618 material, this piston is engineered for high-performance motorsports.

JE Pistons has over 70 years of experience in forging racing pistons, with in-house manufacturing processes ensuring quality control. Their pistons incorporate premium racing features, including full billet construction and purpose-designed coatings.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandJE Pistons
Part NumberJ001 378090R

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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