GMC R3500 Headers

The experts at Speedway Motors have carefully curated a selection of the best Headers - backed by our industry leading expert support and decades of experience. With a great catalog of GMC R3500 Headers for sale, and a variety of options available, you're sure to find the ideal custom or universal Headers for your vehicle. We offer Headers from top brands like Hooker Headers, Flowtech Exhaust and Dougs Headers. Browse our catalog of 27 GMC R3500 Headers that deliver on our promise of quality.

Speedway Motors offers many types of headers for GMC R3500, including Full-length, Tri-Y and Shorty. We don't sell cheap GMC R3500 Headers made from thin, low-grade materials, but without our GMC R3500 weld-up kits you can still save money. Our selection of GMC R3500 big block headers are available in Steel and Stainless Steel. Choosing a durable finish can help fight corrosion, which is why we offer Ceramic Coated, Painted, Temporary Paint, Raw, Polished and Hi-Temp Black finishes for this application. Various header colors, including Black, Silver and Natural are available to match your individual needs. Speedway Motors is a trusted GMC R3500 Headers supply supported by industry leading customer service that other online sellers just can’t compete with.

Headers are subjected to extreme temperatures, which is why our Headers are manufactured from 16-gauge and 18-gauge tubing and heavy-duty flanges ranging 1/3 Inches. Cylinder head design changes can make shopping for Headers difficult, but we make it easy with Standard flange shapes designed to perfectly match Oval and Round exhaust port shapes. If you've searched for GMC R3500 Headers near me, then Speedway Motors has you covered thanks to our North American network of distribution centers.

Available Headers port widths range from factory to aftermarket sizes while port heights range from low to high port. Correctly matching exhaust port size to primary tube diameter helps maintain exhaust gas velocity for better volumetric efficiency, which is why we offer GMC R3500 long tube headers tube diameters ranging from 1-5/8", 1-3/4", 1-1/2", 1-7/8" Speedway Motors has a legacy of supplying GMC R3500 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 and 2-1/2 Inch collector diameters in 10" - 8" lengths. Headers are available with or 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 R3500 LS swap headers you need, delivered fast.

Speedway Motors aims to be your one-stop-shop for Headers. As such, our GMC R3500 long tube headers can be ordered with or without gaskets. The same can be said of the installation hardware, which can be optioned with or without your Headers. From high-tech Headers that give you an edge, to time-tested & proven parts that keep you in the chase, Speedway Motors is what moves you.

Why do Racers and Rodders shop at Speedway Motors for their GMC R3500 LS swap headers? We understand your obsession, because our staff is full of gearheads who get it. Our customers love our experienced team of techs, who are waiting to answer any questions you might have about our Headers - so you can rest easy knowing we have your back, before and after you buy from Speedway Motors. Since 1952 our family-owned company has forged a legacy built on dependable delivery, affordability, high quality parts, and the best GMC R3500 long tube headers online.