Eibach 8" Coil-Over Spring - 2-1/2" I.D. - 475 lb. Air Conditioning Caps feature a built-in O-ring

Caps feature a built-in O-ring that allows the cap to swivel on the bolt head and keeps it from falling off

It wil measure 5/16"

GM X-Body 1969-72

The Eibach ERS (Eibach Race-Spring System) main and tender spring concept provides a softer initial hit when both springs are compressed together

7/16-14 in Left Hand Thread

Eibach 8" Coil-Over Spring - 2-1/2" I.D. - 475 lb. Air Conditioning Caps feature a built-in O-ringEibach 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