Stainless Long Tube Header Fitment For Ford Big Block "Down and Forward" Engines By

Fully Stainless Steel Dual ... welded construction for stronger hold  Accessories in photo are included  No installation instruction included in this kit, we recommend professional installation Manufacturer's Limited Lifetime warranty against manufacturer defects (Must fill out and return warranty card with a copy of the receipt and within 30 days of purchase date) Primaries: 2.0" Port Shape: Oval Port : 1.8" x 1.5" Collector: 3.5" Outlet: 3.5" Main Piping Size: / Bung: 0 : / Air Injection: / Flange Thickness: .40"