Coil Helper Spring 1994 pontiac firebird it includes a 4140 Heat

it includes a 4140 Heat Treated Adjuster for durability and a powder coat finish

25" diameter into 2" Cat-Back™ system features 2" brushed T-304 stainless steel turn down tips

A perfect synchronizer coefficient of friction

while a new secondary shaft throttle stop adjustment provides even more precise idle airflow adjustment and balance

Convenient Storage Options: Includes an inner pocket with a hook & loop patch for pistol holsters

Coil Helper Spring 1994 pontiac firebird it includes a 4140 HeatRenowned 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.