Engines and Components Cylinder Heads and Components

GM Performance

HD-SB2.2

$2,912.26

SKU: G03V 12480011

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

Designed for Small-Block Chevrolet racing engines (NASCAR SB2.2), this cylinder head improves durability, simplifies preparation, and reduces maintenance costs. Features "mirror" design intake ports angled toward the center for single four-barrel carburetor applications. Spark plug holes are repositioned for improved combustion efficiency. 48cc combustion chambers allow 12.1:1 compression ratio with flat-top pistons.

Fitment

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Specifications

BrandGM Performance
Part NumberG03V 12480011

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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