Description
BMW M60 M62 Connecting Rod Bolts by ARP F91 M8 Aircraft grade steel construction ensures maximum BMIVN 1037 Exhaust Valve Diameter Length Material:33 mm 126.1 mm Black Nitride PFR5 4612 1994 1996 E34 518i Aircraft grade steel construction ensures maximum strength and thermal resistance Valve float—when valves stay open longer than intended—can lead to power loss and engine damage