Eibach Bump Spring 2" O.D. x 2.25" 4500lb RS004C1810 Time-proven H-Beam design with double-pass

Time-proven H-Beam design with double-pass machined cavity for minimal weight and maximum rigidity

Rotary swaged ends

Easy to grip screw on cap with o-ring seal

The dipstick features a stainless steel braided dipstick tube

Compatible with virtually any liquid needing measuredThe COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

Eibach Bump Spring 2" O.D. x 2.25" 4500lb RS004C1810 Time-proven H-Beam design with double-passProvides 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.