Eibach SR.500.0060 Eibach Spring Rubber - Durometer 60 (Purple)

Used to add progressive rate to your linear race spring, Four different durometers (60D - 90D) available, Fits springs with 2.5" to 3.0" inside diameter.

Features and Benefits: Adds approximately 1.5" of solid height to your spring.; Fits springs with 5.0" outside diameters.; Four different Spring Rubber durometers (50D - 90D) available for desired rate tuning.; Made in the U.S.A. and sold individually.; Spring Rubbers are used to add progressive rate to your linear race spring.