Eibach Bump Spring 2" O.D. x 2.25" 3000lb R03P003XXXL Male Tee Fitting with Female

Male Tee Fitting with Female Branch 4AN

1989-1992 Pontiac Firebird

but require better control

11/32 in Bolt

Dyno and track testing show significant noise reduction with little or no power loss

Eibach Bump Spring 2" O.D. x 2.25" 3000lb R03P003XXXL Male Tee Fitting with FemaleProvides virtually unlimited tuning for dirt or asphalt racers using soft spring set ups. Lightweight and compact to meet the needs of pavement racers, while including the maximum linear travel required by dirt racers. Precision fit cap system is compatible with 1 2" or 5 8" shaft sizes. Maximum Travel in All Rates with Repeatable Performance Block and Sag Resistant Increases Aero Efficiency, Grip and Control at the Limit Made By Eibach in the U. S.