Eibach Spring Rear 13" x 5" x 225# Platinum RS004C1909 resulting in dyno-proven power gains

resulting in dyno-proven power gains of up to +15 HP and +21 lbs

Includes T-Fitting Vacuum Fitting

and wire stripping/crimp tool

3/16 MIld Steel

Eibach Spring Rear 13" x 5" x 225# Platinum RS004C1909 resulting in dyno-proven power gainsEibach Spring Rear 13in x 5in x 225# Platinum Features: Coil Spring Platinum Conventional 5. 0 in OD 13. 000 in Length 225 lb. in Spring Rate Rear Silver Powder Coat Sold Individually More Travel Deflection than Standard Racing Coil Springs Block Resistant No Loss in Spring Height! Flat Ground End Configuration with Parallel Tolerance to + 1 Degree The Eibach ER Platinum Springs will Maintain Their Dimensions and Rates to Incredibly Tight Tolerances,