JBA Long Tube Headers for 1965–1973 Ford Mustang (260–302 SBF) with 5-speed transmissions use 1-3/4" primary 409 stainless tubing to increase horsepower and torque across the rev range. Features include large mandrel-bent primary tubes, oversized exhaust ports, thick one-piece flanges and the patented JBA Firecone® merged collector for optimized flow. O2 provisions and hardware are included for a thorough, no-leak installation.
JBA 65-73 Ford Mustang 260-302 SBF 5 Speed T5/T56 1-3/4in Primary Raw 409SS Long Tube Header