Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

CLAIMER PISTON KIT SBC 350

$451.36

SKU: U00B 9903HCKTM.030

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

Moderate — 2–4 hours

Description

Keith Black Claimer Pistons are made from Hypereutectic 390 alloy with 16% Silicone, featuring True-Arc lock rings, CNC machined pin bores, accumulator grooves, cast-in oil returns, diamond finished skirts, and Molykote skirt coating. Wrist pins and spiral locks are included; rings are not. Designed for SB Chevy 350 engines.

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 9903HCKTM.030

Videos

Budget Small Block Chevy 350 Rebuild. (Complete Build)

Budget Small Block Chevy 350 Rebuild. (Complete Build)
BUDGET 350 Chevy DIY How to install Pistons and Rings in your SBC

BUDGET 350 Chevy DIY How to install Pistons and Rings in your SBC
How-To Rebuild Bottom End Chevy 350 Small Block Engine Motorz #66

How-To Rebuild Bottom End Chevy 350 Small Block Engine Motorz #66
Small Block Chevy Engine Build: Piston Assembly (Part 1)

Small Block Chevy Engine Build: Piston Assembly (Part 1)
Budget 350 Small Block Build - Vice Grip Garage EP1

Budget 350 Small Block Build - Vice Grip Garage EP1
SBC Piston Ring and Rod Orientation (For the First time Builders)

SBC Piston Ring and Rod Orientation (For the First time Builders)
THE TRUE COST OF REBUILDING MY CHEVY 350 (BUILD OR BUY?)

THE TRUE COST OF REBUILDING MY CHEVY 350 (BUILD OR BUY?)
350 SBC Engine, Teardown/Full Rebuild, How To Video (rebuild begins at 39:50)

350 SBC Engine, Teardown/Full Rebuild, How To Video (rebuild begins at 39:50)
The Best 350 Chevy Block to Build

The Best 350 Chevy Block to Build
KB Pistons and Ring End Gap

KB Pistons and Ring End Gap

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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