Eibach 13" Rear Coil Spring - 5" O.D. - 325 lb. Bert These adjusting nuts replace the

These adjusting nuts replace the adjusting nuts that come with our adjustable Ultra Pro Magnum rocker arms for GM LS1/LS2/LS6 and LS3

051 in Thick

Direct Fit CompatibilityAuto Meter Gauges are the number one choice of professional racers worldwide

Billet Specialties dash panels feature precision machining and a mirror finish polish

1000 lb Capacity

Eibach 13" Rear Coil Spring - 5" O.D. - 325 lb. Bert These adjusting nuts replace theEibach 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