Engines and Components Pistons and Piston Rings

United Engine & Machine Co

KB HYP PISTON KIT SBC 350

$673.32

SKU: U00B KB235KTM.060

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This KB Hyper Performance Piston Kit includes 1 set of KB235.060 and 1 set of 4000BM8.060 pistons, featuring a centered pin and two symmetrical valve reliefs. A spacer ring is included, and the kit is sold with rings. Designed for Chevrolet Small Block V8 Gen I 5.7L (350 cubic inches) engines manufactured between 1958-2007. These performance pistons are cast from 390 hypereutectic alloy.

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 KB235KTM.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