Headers, Dirt Late Model, Tri-Y, 1-3/4 to 2 in Primary, 3-1/2 in Collector, Steel, Black Paint, 23 Degree Head, Small Block Chevy, Kit. Brandname: Beyea Custom Headers Part Number: DLMTY-23T2 Product Details. WARNING : This product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Exhaust & Emission Systems\Manifolds & Headers".The seller is "wundercarparts" and is located in this country: US. This item can be shipped to United States.