Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

CHRYSLER HEMI 426 ROD 6.860 DOME HEMI 90CC 2V KB HYPER PISTON SET

$85.28

SKU: U00B KB211.010

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

Advanced — 4+ hours

Description

The United Engine & Machine Co KB211.010 is a performance piston set designed for the Chrysler 426 Hemi engine. These pistons feature a dome-style crown with two valve reliefs and are manufactured from cast 390 hypereutectic alloy for increased durability.

Each piston includes a coated skirt to reduce friction and is designed for a 4.260-inch bore. The set utilizes ring grooves measuring 5/64 in., 5/64 in., and 3/16 in. to accommodate standard performance ring configurations.

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

BrandUnited Engine & Machine Co
Part NumberU00B KB211.010

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