1964-67 A-Body LS-Swap Full-Length Header - Stainless Steel, 1-7/8", Collector Size 3"

These new Stainless Steel Long-Tube headers provide excellent ground clearance as well as component clearance. Their 3" formed merge collectors with spears maximize flow potential, improving engine performance. These headers are designed to work specifically with Transmission Crossmember P/N 71222008HKR and Engine Mounts P/N 71221008HKR or 71221009HKR, for a trouble free install. 100% 304SS construction/provides superior corrosion resistance and thermal efficiency compared to mild steel 3" formed merge collectors with investment cast collector spears/promotes and maintains flow velocity through collectors for maximum performance potential Tight tucked collectors/provides excellent ground clearance for lowered vehicles Compatible with Quick Time T56/T56 Magnum steel bellhousing Allows starter replacement without requiring header removal Bolt-in compatible with Hooker engine brackets, transmission crossmember and exhaust systems for this vehicle application