Exterior Components› Body Panels and Components

United Engine & Machine Co

FORD 351W ROD 5.956 FLAT TOP 0CCKB SINGLE HYPER PISTON

$93.47

SKU: U00B SKB315.STD

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 SKB315.STD is a piston designed for automotive engines. It features a hypereutectic aluminum construction and a flat top style with no valve reliefs.

This piston has a bore size of 4.030 inches and a stroke of 3.500 inches. The compression height is 1.774 inches, and it includes a wrist pin. The piston ring thickness is specified as 5/64 in. x 5/64 in. x 3/16 in., however, piston rings are not included with this part.

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 SKB315.STD

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