Eibach 15" Rear Coil Spring - 5" O.D. - 300 lb. SP105BK shot-peened to remove stress risers

shot-peened to remove stress risers and double magnafluxed after heat-treating and thread-forming to assure 100% metallurgical integrity

Comes complete with all mounting hardware

Compatible with standard Pontiac cast iron heads

165 Degrees F Off

Eibach 15" Rear Coil Spring - 5" O.D. - 300 lb. SP105BK shot-peened to remove stress risersEibach 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