New OEM valve cover bolts with NL on head. These were used on all Ram Air IV, H/O , and Super Duty engines. Bolts have a 5/16? head by 18 thread, and are 21/32? long. These reproduction valve cover bolts are for use on all...
1981 Pontiac Catalina Parts - Valve Cover Component Hardware
OER Parts offers a wide selection of Valve Cover Hardware for your 1981 Pontiac Catalina. OER Parts offers 1981 Pontiac Catalina Valve Cover Bolt Sets, 1981 Pontiac Catalina Valve Cover Retainer Tab Set, 1981 Pontiac Catalina Valve Cover Elbow, 1981 Pontiac Catalina Valve Cover Grommets, 1981 Pontiac Catalina Logo Bolt Set, 1981 Pontiac Catalina T-Bar Wing Nut Set, and 1981 Pontiac Catalina Wing Nut Set.