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Engines and Components› Pistons and Piston Rings

KB PERFORMANCE PISTONS

SBC Domed Piston Set 4.030 Bore +0.5cc

$575.86 $462.89 Save $112.97

SKU: K02K KB157.030

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

New high silicon alloys and diamond tooling have given Keith Black designers the material and equipment for performance breakthroughs in engine design. KB pistons are 100% CNC machined and T-6 heat treated from 16%-18% silicon Hypereutectic alloy. Features include drilled oil returns and pin oil supply, .072'' spiral wound retaining ring, 100% diamond turned, compensated high strength ring lands, high top ring location, 360° pressure pin oiling, diamond honed pin hole and lightweight rigid rib skirt design.

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

BrandKB PERFORMANCE PISTONS
Part NumberK02K KB157.030

Videos

#shorts This Is How We Install Press Fit Pistons - Small Block Chevy - Dome Pistons

#shorts This Is How We Install Press Fit Pistons - Small Block Chevy - Dome Pistons

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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