GMC 3500 Headers

Since 1952, Speedway Motors has been committed to providing a broad selection of high-quality, affordable Headers - backed by our industry leading expert support and decades of experience. With an excellent collection of GMC 3500 Headers for sale, and a variety of options available, you're sure to find the ideal custom or universal Headers for your vehicle. We carry Headers from the best brands on the market such as Speedway Motors. Browse our catalog of 2 GMC 3500 Headers that deliver on our promise of quality.

Speedway Motors offers many types of headers for GMC 3500, including Mid-Length. We don't sell cheap GMC 3500 Headers made from thin, low-grade materials, but without our GMC 3500 weld-up kits you can still save money. Our selection of GMC 3500 big block headers are available in Steel. Choosing a durable finish can help fight corrosion, which is why we offer Raw finishes for this application. Various header colors, including Natural are available to match your individual needs. Speedway Motors is a trusted GMC 3500 Headers distributor backed by a dedicated staff of experienced Racers and Rodders that other retailers simply can’t compete with.

Headers are subjected to extreme temperatures, which is why our Headers are manufactured from heavy-wall tubing and heavy-duty flanges ranging 3/8 Inches. Cylinder head design changes can make shopping for Headers difficult, but we make it easy with Standard flange shapes designed to perfectly match Round exhaust port shapes. If you’re searching for GMC 3500 Headers near me, then you don’t need to look further than Speedway Motors thanks to our strategic distribution centers spread out across the country.

Available Headers port widths range from 1.38" - 1.38" while port heights range from 1.72" - 1.72". Correctly matching exhaust port size to primary tube diameter helps maintain exhaust gas velocity for better volumetric efficiency, which is why we offer GMC 3500 long tube headers tube diameters ranging from 1-5/8" Speedway Motors has a legacy of supplying GMC 3500 big block headers that help our customers build their best cars and live their best moments.

Header collector diameter and length are also tuning elements to consider, which is why we offer 3 Inch collector diameters in 5" - 5" lengths. Headers are available without collector reducers, which can be fastenened to the Headers in a variety of ways (3-bolt flange). Speedway Motors makes it easy to get the GMC 3500 LS swap headers you need, delivered fast.

Speedway Motors aims to be your one-stop-shop for Headers. As such, our GMC 3500 long tube headers can be ordered with gaskets. The same can be said of the installation hardware, which can be optioned with your Headers. Because it's never "JUST a car." Every car has a story. Make our Headers part of your car story.

Why is Speedway Motors the best destination for GMC 3500 LS swap headers? We’re here to support your passion like nobody else, because our employees are Racers and Rodders too. We take pride in the expert knowledge of our veteran tech team, who can help with questions about any of our products, including Headers - so you can rest easy knowing we have your back, before and after you buy from Speedway Motors. From our company’s beginnings in 1952 to the haven for Racers and Rodders we’ve become today, our family run business has never strayed from our promise of providing reliable delivery, affordable prices, quality parts, and the best GMC 3500 long tube headers on the market.