Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

1 SET IC938.085/ 1 SET 4165BD8.045

$1,070.80

SKU: U00B IC938KTD.085

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Description

The UEM IC938KTD.085 Icon Forged Piston Set includes 8 pistons made from 2618 alloy with a bore size of 4.210 inches. These dish-type pistons are designed for a 4.250-inch crankshaft stroke and 6.800-inch rod length, with a compression height of 1.300 inches. They feature a 0.990-inch wrist pin (included with spiral lock rings) and are compatible with 1/16 1/16 3/16 piston rings (not included). Compression ratios are 11.4:1 with 72cc heads and 9.9:1 with 87cc heads, making them suitable for high-performance Pontiac 468 CID engine builds. The pistons have an advertised weight of 496 grams, and the wrist pins weigh 158 grams.

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B IC938KTD.085

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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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