OptiTorque Patriot Series Main Stud Kit - 12 Point Nuts - 2-Bolt Mains - Black Oxide - Nissan 4-Cylinder FIA 8860 ABP 1983-1991 Chevrolet G20

1983-1991 Chevrolet G20

1968-1977 Pontiac Grand Prix

Tanks feature a machined filler neck to accept most standard radiator caps and a 1/8"NPT port for connecting to an overflow tank

The COMP crankshaft socket for GM LS GEN III/IV is the last crankshaft socket that you'll need

OptiTorque Patriot Series Main Stud Kit - 12 Point Nuts - 2-Bolt Mains - Black Oxide - Nissan 4-Cylinder FIA 8860 ABP 1983-1991 Chevrolet G20Product Description: Main Stud Kit Patriot Series 12 Point Nuts 2 Bolt Mains Steel Black Oxide Nissan 4 Cylinder OptiTorque produces premium quality fasteners for a wide range of automotive applications. From stock rebuilds to hard core racing builds, OptiTorque fasteners are USA made and designed, featuring premium materials and designed to meet or exceed OEM specs.