Eibach 9-1/2" Front Coil Spring - 5" O.D. - 1000 lb. 15001903 36 & 37 Series shocks

36 & 37 Series shocks using 2-1/2" ID coil-over springs

Graduated Flask

689 lb/in Spring Rate

In 2019 DMI Updated this housing to be Cast instead of Weld

self-learning EFI systems feature an all new ECU pre-loaded with 80 dyno-tuned calibrations that support popular engine configurations up to 800 hp

Eibach 9-1/2" Front Coil Spring - 5" O.D. - 1000 lb. 15001903 36 & 37 Series shocksEibach uses the world's finest quality, chrome silicon steel wire to produce coil springs with maximum travel and minimum weight. Eibach Springs are metric sized and, therefore, not limited to the SAE sized wire used in the production of many of the springs currently on the market. Eibach Springs are cold formed on CNC machinery, insuring precise tolerances on spring rates and free height, as well as longer life expectancy. Eibach Springs are heat