OptiTorque Patriot Series Main Stud Kit - 12 Point Nuts - 2-Bolt Mains - Black Oxide - Mitsubishi 4G63 Assembly Lube 5 in Center Inlet Outlet

5 in Center Inlet Outlet

Pinion Posi-Lock Assembly

and even the fabled dry lakes and salt flats of California

Modifications needed for use with some aftermarket blocks

unsprung weight is the most critical weight in a late model stock race car

OptiTorque Patriot Series Main Stud Kit - 12 Point Nuts - 2-Bolt Mains - Black Oxide - Mitsubishi 4G63 Assembly Lube 5 in Center Inlet OutletProduct Description: Main Stud Kit Patriot Series 12 Point Nuts 2 Bolt Mains Steel Black Oxide Mitsubishi 4G63 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.