Fits 1979 1993 Mustang 351 Swap 1 5 8 Shorty Headers Titanium Ceramic 1511 air and fuel delivery BBK Performance supplies a new blh BBK Performance supplies a new throttle position sensor on most of their throttle bodies but if you have a stock or even aftermarket TPS sensor that is suspect and needs replacing then these direct replacement BBK Performance throttle position sensors are what you need to get your car running properly again Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct Fit Catalytic Converter 5491701 CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horsepower and torque over factory OEM manifolds All BBK exhaust headers are available in a titanium ceramic or polished silver ceramic coated finish and include new exhaust header gaskets