Dirt Late Model Headers 1-3/4. Headers - Dirt Late Model - 1-3/4 in Primary - 3-1/2 in Collector - Steel - Black Paint - Small Block Chevy - Pair. Looking for a quantity higher than what we have listed? Send us a message, and we will try to accommodate your request.This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Exhaust & Emission Systems\Manifolds & Headers". The seller is "tcbspeed" and is located in this country: US. This item can be shipped to United States.