Engines and Components› Pistons and Piston Rings

Wiseco

Wiseco Chevy LS Series -3.2cc FT 4.000inch Bore Piston Shelf Stock

$145.99

SKU: W00C 6398RXS

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

Moderate — 2–4 hours

Description

The Wiseco 6398RXS is a forged aluminum piston designed for Chevy LS Series engines. It features a 4.000-inch bore size and a -3.2cc dome volume.

This piston includes S643 pins and is compatible with the 4007GFX ring set. Its design includes valve pockets for maximum flow and oversized valves, as well as piston crown shapes to promote intake charge efficiency for increased horsepower.

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

BrandWiseco
Part NumberW00C 6398RXS

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