1990 Chevy Blazer Headers and Exhaust Manifolds

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.

Learn how to wrap exhaust headers to help keep under hood temperatures down. This articles shows how cast iron exhaust manifolds are wrapped in 1-inch black header wrap with stainless steel exhaust wrap ties.

Whether you’re looking for performance improvements or heat reduction, if you decide to wrap your headers, we'll show you the benefits and possible precautions to take before you wrap your exhaust.

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.

Watch our video on the ceramic coating process for Armor Hot Coating. Headers coated with Armor Hot Coating protect your car without sacrificing looks.

Some basic info on the various exhaust options carried by Speedway Motors.

Kevin W. walks through each step of installing a new alternator bracket on a 454 Big Block Chevy.

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

In this Tech Tip, John answers a customer concerns about adding additional drop to his 1960-1972 Chevy truck.