Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

1 SET IC965.030/ 1 SET 4125CD8.035

$1,116.72

SKU: U00B IC965KTD.030

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Special Order
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INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

This piston ring kit (MPN: IC965KTD.030) is designed for Icon IC965-030 forged pistons. It includes 1.5mm top, 1.5mm second, and 3.0mm oil rings, suitable for Small Block Chevy (SBC) 421 engines with a 4.155" bore and 3.875" stroke, and fits aftermarket 64cc cylinder heads.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B IC965KTD.030

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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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