Exterior Components› Body Panels and Components

United Engine & Machine Co

CHEVROLET 350 ROD 5.700 FLAT TOP +7CC 4V KB PISTON SET

$73.59

SKU: U00B KB6228.060

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 KB6228.060 is a set of pistons designed for automotive engines. These pistons are made from hypereutectic aluminum and feature a flat top with four valve reliefs.

Each piston has a 4.060 inch bore, a 3.480 inch stroke, and a 5.700 inch rod length. The compression height is 1.561 inches, and the piston head volume is +7.00cc. The wrist pin style is press-fit or floating and includes yes retainers and pins with a 0.927 inch diameter.

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 KB6228.060

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