KB HYP PISTON KIT HEMI 426

Name: KB HYP PISTON KIT HEMI 426
Brand: United Engine & Machine Co
SKU: U00B KB211KTM.030
Price: 720.20 USD
Availability: InStock

$720.20

SKU: U00B KB211KTM.030

In Stock

Ships by Jun 7

Free Shipping

Non-Returnable Item

DIY PRO SHOP

Advanced — 4+ hours

Description

The Keith Black KB211-030 Hypereutectic pistons are a set of 8 high-performance pistons designed for Chrysler 426 Hemi engines. They feature a 4.280-inch bore, 90cc dome, and are constructed from a low-expansion 390 alloy with 16 percent silicon. Wrist pins and spiral locks are included, but rings are sold separately.

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

Brand	United Engine & Machine Co
Part Number	U00B KB211KTM.030

Videos

Building your 426 Hemi Ep 2# #426hemi

New Gen 2 Keith Black Aluminum 4.5 Bore Hemi Overview

Gen 2 Keith Black Mopar 4.5 Bore Hemi Oil Restrictor Tech

440 Out, 426 HEMI In – This Mopar Just Leveled Up 🛠️ #mopar #musclecar

Rottler Report with Keith Black Racing Engines & For Hemis Only

1973 Keith Black 426 Hemi Iron Engine Block Chrysler / Automotive History Relic Cracked Junk

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