Single Spring 1987-pontiac-firebird-esi3246161 quickly at low shaft speeds

quickly at low shaft speeds and level off at higher shaft speeds

25-inch and 1

These BBK Performance shorty unequal Length exhaust Headers are designed and constructed with 1-5/8" CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horsepower and torque over factory OEM manifolds

at degrees C 56 at neg 25

Single Spring 1987-pontiac-firebird-esi3246161 quickly at low shaft speedsRenowned for our extensive catalog of over 1,500 precision engineered race springs. Eibach race springs offer unparalled customization and performance optimization across a wide spectrum of racing applications. From shocks to pull bars we offer a wide range of springs solutions to fine tune the handling dynamics of your race car.