Ford SB 289 302 351w Mustang 1979-93 Shorty Ceramic Coated Headers These Speedmaster valve springs are

These Speedmaster valve springs are better-designed valve springs using state-of-the-art machinery for purpose-built racing engines

Try using Speedmaster steel crankshaft pulleys to increase horsepower and reduce accessory drag

Speedmaster hydraulic roller camshafts are offered in a wide variety of profiles

The Speedmaster universal 21 circuit harness can be used in any vehicle application

Ford SB 289 302 351w Mustang 1979-93 Shorty Ceramic Coated Headers These Speedmaster valve springs areIncrease your horsepower and torque for your ride just bolt on these Speedmaster headers! These headers are designed with 3 8 in. thick laser cut flanges and mandrel bent primary tube. If your vehicle is using aftermarket components, parts from other applications, or custom altered parts, then it is the installer's responsibility to verify fitment.