Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

KB HYP PISTON KIT BBC 454

$607.56

SKU: U00B KB245KTD.040

In Stock
In Stock
Ships by Jun 7
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Non-Returnable Item
INSTALL DIFFICULTY
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Description

The KB Performance Hyper Piston and Ring Kit is designed for Chevrolet Big Block 454ci engines, featuring hypereutectic aluminum construction and a dome top design. This kit includes eight pistons and corresponding rings, with a bore of 4.250 inches, a stroke of 4.000 inches, and a rod length of 6.135 inches. The pistons have a compression height of 1.645 inches and a dome height of 0.550 inches, with a -43.00cc piston head volume.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB245KTD.040

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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