AC Cylinder Heads

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.

Whether you're trying to troubleshoot engine issues or want to get an idea what's going on inside that junkyard jewel that you just hauled home, a leak down test is a great way to ascertain the condition of an engine's cylinders without pulling it apart.

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

Learn what are the best stock LS heads that will interchange to use on your budget 4.8, 5.3, 6.0, or 6.2 LS engine build

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!

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.

The small block Chevy is still a great option for your muscle car, hot rod, or classic truck, just follow our build lists

Lake Speed Jr. from Total Seal Piston Rings tells us when it's acceptable to do a DIY cylinder hone at home, and when it's time to head to the machine shop.