PARTS INTENDED FOR COMPETITION USE ONLY.
Click for more details.

PARTS INTENDED FOR COMPETITION USE ONLY.
Click for more details.

SMALL-BLOCK SB2.2 RACE CYLINDER HEADS

12480011

SEMI-FINISHED SB2.2 ALUMINUM CYLINDER HEAD

Semi-Finished SB2.2 Aluminum Cylinder Head Assembly

Chevy Performance Semi-Finished SB2.2 Aluminum Cylinder Head

SB2.2 Semi-Finished Aluminum Cylinder Head

Aluminum head
Bare head, no seats or guides installed
Standard .500" guide holes

“As cast” peanut ports
48-cc “as-cast” combustion chamber

12480129

SEMI-FINISHED SB2.2 ALUMINUM CYLINDER HEAD

Aluminum professional stock car-accepted head
Bare head, no seats or guides
.375" diameter guide holes

”As-cast” peanut ports
48-cc “as-cast” combustion chamber

Future GM Technicians Posing for a Picture with Dale Earnhardt Jr.

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Nobody knows automotive like Dale Earnhardt Jr. — so who better to share advice with aspiring auto techs?

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BLOCK-Module-Asset-MONSTER-CHEVELLE

The BLOCK

Visit TheBLOCK.com for a behind-the-scenes look at the world of Chevrolet Performance from an enthusiast's point of view.

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Four Chevrolet Camaro Sports Cars Parked on Display in a Showroom

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Want to know the latest in Chevrolet Performance news and more? Connect with us via email and social media today.  

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Future GM Technicians Posing for a Picture with Dale Earnhardt Jr.

Bring Us Your Talent

Nobody knows automotive like Dale Earnhardt Jr. — so who better to share advice with aspiring auto techs?

View Technician Stories

BLOCK-Module-Asset-MONSTER-CHEVELLE

The BLOCK

Visit TheBLOCK.com for a behind-the-scenes look at the world of Chevrolet Performance from an enthusiast's point of view.

Learn More

Four Chevrolet Camaro Sports Cars Parked on Display in a Showroom

Connect With Chevrolet Performance

Want to know the latest in Chevrolet Performance news and more? Connect with us via email and social media today.  

Sign Up

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Unless specifically noted to the contrary herein, vehicles equipped with Chevrolet Performance parts that are emissions-related may not meet U.S., Canadian, and state and provincial laws and regulations relating to motor-vehicle emissions. These parts are designed and intended for use in vehicles operated exclusively for competition: in racing or organized competition on courses separate from public streets or highways. Visit www.chevroletperformance.com/emissions for more details.

Unless specifically noted to the contrary herein, vehicles equipped with Chevrolet Performance parts that are emissions-related may not meet U.S., Canadian, and state and provincial laws and regulations relating to motor-vehicle emissions. These parts are designed and intended for use in vehicles operated exclusively for competition: in racing or organized competition on courses separate from public streets or highways. Visit www.chevroletperformance.com/emissions for more details.