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

Name: CHRYSLER HEMI 426 ROD 6.860 DOME HEMI 90CC 2V KB HYPER PISTON SET
Brand: United Engine & Machine Co
SKU: U00B KB211.040
Price: 80.65 USD
Availability: InStock

$80.65

SKU: U00B KB211.040

Special Order

Ships in 4–6 weeks

Free Shipping over $100

Non-Returnable Item

DIY PRO SHOP

Advanced — 4+ hours

Description

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

MIA's Description

The United Engine & Machine Co KB211.040 is a set of pistons designed for engines requiring a 4.290-inch bore. Constructed from cast 390 hypereutectic alloy, these dome-style pistons feature a skirt coating for enhanced durability. The piston head volume is -90.00cc, and they are designed with ring grooves measuring 5/64 inch, 5/64 inch, and 3/16 inch.

These pistons are designated as OE replacements for engines manufactured between 1968 and 1971 and are intended to provide a high compression ratio of 10.2:1.

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 KB211.040

Videos

426 Hemi Engine Build -- Part 1

426 Hemi Engine Build -- Part 2

New 2023 426 Hemi 1500 hp Crate Hemi Direct Connection Engine

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