Eibach 8" Coil-Over Spring - 2-1/4" I.D. - 800 lb. NPT to AN Bulkhead Fittings ARP's timing cover bolts are

ARP's timing cover bolts are available in both polished stainless steel or black oxide finish chrome moly

The pursuit of perfection has always been our primary goal

Integrating into the GM transmission and adapting to AN

375" Stem Diameter

Male Union Fitting Straight 12AN

Eibach 8" Coil-Over Spring - 2-1/4" I.D. - 800 lb. NPT to AN Bulkhead Fittings ARP's timing cover bolts areEibach 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