Engines and Components› Pistons and Piston Rings

JE Pistons

BBC 20" 4.605/.990/18CC

$252.49

SKU: J001 377855S

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 Chevrolet BBC SR20 is a single piston designed for high-performance applications. It features a 4.605-inch bore and is constructed from 2618 aluminum. JE Pistons are known for their experience in motorsports and in-house manufacturing processes.

This piston has a compression height of 1.060 inches and a pin diameter of 0.990 inches. It also has a dome volume of 18.00 cc. JE Pistons uses industry-leading technology and premium racing features in their designs.

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 377855S

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