GMC Cylinder Heads

Step back in time with our modern reproduction of the iconic Chevy 461 double hump cylinder heads, now cast in lightweight aluminum! In this video, Joe and Wyatt discuss the features that bring the vaunted camel hump heads into the 21st Century.

Need help selecting the best cylinder head gaskets for your engine? Click here to learn the differences between copper, steel shim and MLS head gaskets. Plus install tips!

Learn how to re-build a junkyard Small Block Chevy. A step-by-step guide on how to select a SBC, machine the valve guide bosses down, and what parts to use to upgrade to your personal liking.

Tim talks about the new Edelbrock powder coated cylinder heads and provides a little history on Federal Mogul heads.

Tim shows off our aluminum cylinder heads for 348-409 Chevys.

Aluminum vs. cast iron heads—what’s better for your build? We break down power, weight, heat, and cost to help you choose the right cylinder heads.

Headers and manifolds differ in design and function. Long tube headers, shorty headers, and exhaust manifolds each have their pros and cons regarding performance and application.

Inside GM’s Gen V LT engine family: history, tech, and performance of each LT engine option available.

Engine Cylinder Numbers

Hooker headers are installed in a 1967 Pontiac Firebird for increased power and a boost in performance. See how to work through fitment of the steering box, clutch Z bar and starter.