GMC Truck Cylinder Head Bolts

The 4.8 LS engine is a salvage yard bargain vs the typical 5.3 or 6.0 LS and can still make great power for your LS swap needs.

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.

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!

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

If you're ready to swap an LS engine into you '73-'87 Squarebody Chevy or GMC truck, here's a guide to get you started and a parts list to help you get everything you need for your swap.

Engine Cylinder Numbers

Follow along as we give our C10 truck project a much needed dose of suspension travel with a bolt-on C-notch kit.

See how to install 3" Ram Horn exhaust manifolds on a C/10 with a 406 engine. Learn some tips on welding steel tubing to a cast iron manifold and how they are modified to fit the truck.

GM’s 10-bolt rear axle has been around since the 1960s, here’s how to determine if your junkyard find is worth taking home

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.