Eibach 13" Rear Coil Spring - 5" O.D. - 225 lb. MT140BK 1955-1959 GMC M300

1955-1959 GMC M300

794" long High Energy pushrods

20 in Deep

600 in Knurl

various methods for thermocouple installation

Eibach 13" Rear Coil Spring - 5" O.D. - 225 lb. MT140BK 1955-1959 GMC M300Eibach 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