Engines and Components› Pistons and Piston Rings
KB Pistons
Hypereutectic Dome Piston Set
SKU: KB180-020
Advanced — 4+ hours
Description
Each piston features fully machined head and valve reliefs, triple spiral lock rings, and CNC-machined pin bores for accuracy. They also include an accumulator groove for improved compression ring seal, machined-in oil returns, diamond-finished skirts, and mini grooves to reduce scuffing and overheating. Wrist pins and spiral locks are included, but piston rings are sold separately. The KB180-020 pistons are suitable for General Motors SB Chevy engines, with a bore size of 4.020 inches.
Fitment
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Specifications
| Brand | KB Pistons |
| Part Number | KB180-020 |
| 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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