Eibach Spring Rubber - Coilover - 70 Durometer - Green 1311115 The linear working spring rate

The linear working spring rate (300 lb

Duckbill latch makes for engaging and releasing belts simple and easy

averaging a 17 CFM increase from

Adapter Fitting 10AN To 3/8"NPT Aluminum 45 Degree

Eibach Spring Rubber - Coilover - 70 Durometer - Green 1311115 The linear working spring rateEibach Spring Rubbers are used to add progressive rate to your linear race spring. Coil Spring Rubber Insert Four different Spring Rubber durometers (50D 90D) available for desired rate tuning. Fits springs with 2. 5" to 3. 0" inside diameters. Adds approximately 1. 5" of solid height to your spring. Made in the U. S. A. and sold individually. Eibach has been committed to creating the finest race springs in the world for over two decades. Eibach