Engines and Components Pistons and Piston Rings

United Engine & Machine Co

7076 PONTIAC 455 BIG BORE ROD 6.8 FLAT TOP +15.4CC 2V ICON PREMIUM FORGED PISTON SET

$130.14

SKU: U00B IC631.010

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

Moderate — 2–4 hours

Description

The United Engine & Machine Co IC631.010 is a piston designed for Pontiac engines. It features a flat-top design with two valve reliefs and is constructed from forged aluminum.

This piston has a compression height of 1.305 inches and a pin diameter of .990 inches. The bore size is 4.365 inches. It also includes skirt coating for enhanced durability.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B IC631.010

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.

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