https://www.summitracing.com/search/department/exhaust/section/headers/part-type/headers/year/1998/make/chevrolet/model/c2500/header-style/full-length/engine-size/7-4l-454/engine-family/chevy-big-block-gen-vi?N=4294948820%2B4294945642%2B4294924068%2B4294950081%2B4294951398%2B4294949466%2B4294924031