Tri-Five Chevy Headers

New from American Racing Headers are our 1955-1957 Tri-Five Chevy Small Block Headers. Designed with durable .065 wall tubing and your choice of 1-3/4″ or 17/8″ primaries. Pair these headers with an ARH Tri-Five Header-Back Exhaust System by clicking here. We are proud to build these systems at American Racing Headers in our Research and Development facility with aerospace-grade T-304 stainless steel. Every piece of our products are made here with 100% USA sourced materials! Through this process we are able to offer lifetime warranty on all our systems against rust, corrosion and manufacturing defects. Product features on this system includes: 100% Made in the USA – Never Outsourced Made entirely of 304 stainless steel 3/8″ thick laser-cut flanges for a warp-free seal Hand-ported TIG welded inlets Optimized tube routing for superior fit and performance Attn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads/highways and may be subject to fines and/or criminal liability as per the Clean Air Act.