Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

KB HYP PISTON KIT CHRY 360

$618.80

SKU: U00B KB190KTM.030

In Stock
In Stock
Ships by Jun 7
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Keith Black Hypereutectic pistons are designed for high-performance applications. They feature a low expansion 390 alloy with 16 percent silicon for tighter piston-to-wall clearance. This set includes fully machined heads and valve reliefs, triple spiral lock rings, and CNC machined pin bores. Wrist pins and spiral locks are included, but rings are not. This specific piston has a bore of 4.030 for a Chrysler 360 CID Small Block engine.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB190KTM.030

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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