Eibach Bump Spring 2" O.D. x 2.25" 4000lb 34014R 1977-1980 Pontiac Bonneville

1977-1980 Pontiac Bonneville

2010-2017 GMC Sierra 1500 78

two outer side panels

1986-1998 GMC C2500

Eibach Bump Spring 2" O.D. x 2.25" 4000lb 34014R 1977-1980 Pontiac BonnevilleProvides 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.