BBK 86-93 Mustang 5.0 Shorty Tuned Length Exhaust Headers - 1-5/8 Silver Ceramic (15120) 1112 4220012 is a 4-pad rigid

4220012 is a 4-pad rigid race disc made with high quality

6210115 is a 6-pad spring-centered race discs made with high quality ceramic friction materials

It is a direct bolt on pulley and will retain full cooling and charging characteristics

3000615 is a performance street disc and the most popular disc purchased

TC1-HDR4 kit features ACT's most popular Heavy Duty pressure plate

BBK 86-93 Mustang 5.0 Shorty Tuned Length Exhaust Headers - 1-5/8 Silver Ceramic (15120) 1112 4220012 is a 4-pad rigidThese BBK Performance shorty tuned Length exhaust Headers are designed and constructed as direct fit replacements for all 86 93 Mustang 5. 0 applications. Each header is manufactured with 1 5 8" CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horsepower and torque over factory OEM manifolds. BBK tuned Length headers offer improved scavenging waves for better combustion which leads to improved performance and fuel economy