JBA p/n 6610S headers are designed to fit ‘64-1/2 - ‘70 289/302 (not Boss) Mustangs equipped with C-6 or late model AOD automatic transmissions. These headers provide significant increases in torque and horsepower throughout the RPM range and allow for maximum ground clearance. To help make sure you choose the correct headers, h-pipe and exhaust for your Mustang please refer to the chart below. If you still have questions, give us a call. Note: Parking brake pivot bracket may need to be relocated when install headers on 1965 cars. Stainless steel finish