Engines and Components Pistons and Piston Rings

United Engine & Machine Co

KB HYPER PISTON/RING SET

$597.56

SKU: U00B KB198KTM.080

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

Moderate — 2–4 hours

Description

The Keith Black KB198-080 pistons are hypereutectic, designed for SBC 350 engines with a 4.080" bore, 3.480" stroke, and 5.700" rod length. They feature a flat top with 6.5cc and 4 asymmetrical valve reliefs, CNC machined pin bores, an accumulator groove, and come as a set of 8 with wrist pins and spiral locks.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB198KTM.080

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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