Engines and Components› Pistons and Piston Rings

JE Pistons

GM LSLM7 5300PRO KIT

$226.10

SKU: J001 315553L

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The JE Pistons 315553L is a set of 8 forged aluminum pistons designed for GM LS1 15-degree cylinder heads. These pistons feature a dome style with two valve reliefs and a stock stroke engine configuration. They are engineered for a 5.3L/325 cubic inch displacement with a 3.780 in. bore.

Constructed from 2618 alloy forged aluminum, these pistons offer durability and performance. The kit includes wrist pins and retainers, with a press-fit or floating wrist pin style. The compression height is 1.314 in., and the piston head volume is -0.60cc. The piston rings are 0.048 in. x 0.048 in. x 0.100 in.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandJE Pistons
Part NumberJ001 315553L

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.

View Full Return Policy