Description
BMW N20 N26 Connecting Rod Bolts by ARP V3 They've increased the core volume BMIVN 1037 Exhaust Valve Diameter Length Material:33 mm 126.1 mm Black Nitride PFR5 4612 1994 1996 E34 518i They've increased the core volume by 23 percent and expanded the external fin surface area by 44 percent it falls short in upgraded vehicles