Exterior Components Body Panels and Components

United Engine & Machine Co

CHEVROLET 283 ROD 5.700 SOLID DOME 4CC 2V KB HYPER PISTON SET

$75.06

SKU: U00B KB166.040

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The United Engine & Machine Co KB166.040 is a set of pistons designed for performance applications. These pistons are constructed from hypereutectic aluminum and feature a dome style with two valve reliefs. They have a bore of 3.915 inches and a stroke of 3.000 inches, with a stock engine stroke type.

Each piston has a compression height of 1.805 inches and a dome height of 0.170 inches, resulting in a piston head volume of -4.00cc. The wrist pin style is press-fit or floating, with a pin diameter of 0.927 inches. The piston ring thickness is 5/64 in. x 5/64 in. x 3/16 in., and piston rings are not included. A wrist pin is included with each set.

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 KB166.040

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