Engines and Components› Pistons and Piston Rings
KB Pistons
Hypereutectic Piston Set
SKU: UEMKB237
Advanced — 4+ hours
Description
These pistons feature 100 percent CNC-machined crowns, a high upper compression-ring location, gas-accumulator groove, drilled oil returns, and spiral-lock retainer grooves, making them suitable for performance applications. They have a lightweight, rigid-rib skirt design that stabilizes the piston in the bore, providing improved oil control, reduced blow-by, and increased ring life.
Fitment
Fitment Guaranteed
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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
| Brand | KB Pistons |
| Part Number | UEMKB237 |
| Category | Engines and Components |
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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