Engines and Components Pistons and Piston Rings

United Engine & Machine Co

CAST COATED PISTON 4.3L GM

$41.58

SKU: U00B 3487C.080

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

Advanced — 4+ hours

Description

The Silvolite 3487C.080 is a set of cast aluminum pistons designed for stock engine stroke type. These pistons feature a flat top with four valve reliefs and a bore size of 4.080 inches (103.632mm). They have a compression height of 1.540 inches and utilize a press-fit wrist pin with a diameter of 0.927 inches. The piston ring thickness is specified as 5/64 in. x 5/64 in. x 3/16 in.

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 3487C.080

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