Eibach 11" Rear Coil Spring - 5" O.D. - 600 lb. YA0828KARTMM13 For Big Block Chevrolet engines

For Big Block Chevrolet engines originally equipped with exhaust valve rotators

25 Degree Layback

Lightweight H-Beam design with double-pass machined cavity for minimal weight and maximum rigidity

The key to making excellent torque and horsepower comes from using the smallest port for a given amount of airflow and then matching the correct port size to the airflow requirements of your application

Eibach 11" Rear Coil Spring - 5" O.D. - 600 lb. YA0828KARTMM13 For Big Block Chevrolet enginesEibach 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