Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

0306 CHRYSLER 505 ROD 7.100 STEP DISH +26.7CC 2V ICON PREMIUM FORGED PISTON SET

$106.02

SKU: U00B IC842.040

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 IC842.040 is a set of premium forged pistons designed for high-performance applications. These pistons feature a dish top design with a volume of 26.7 cc, contributing to a 9.5:1 compression ratio when paired with 86cc heads.

Constructed from a durable 2618/4032 alloy, these pistons are built to withstand the demands of serious engine builds. The bore size is 4.360 inches, with a stroke of 4.250 inches and a rod length of 7.100 inches. They also come with a coated skirt for enhanced performance and longevity. The pin diameter is 0.9898", compatible with BBC applications.

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 IC842.040

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