OptiTorque Patriot Series Main Stud Kit - 12 Point Nuts - 2-Bolt Mains - Black Oxide - Mitsubishi 4G63 S15-084-DN The NecksGen REV and Original

The NecksGen REV and Original units come with a fixed length tether that is a predetermined length to fit most drivers

Made to use on the front of a quick change or either side of a non-quick or Ford 9"

Multiple applications including race and street performance

That's almost twice the output of a stock HEI coil

OptiTorque Patriot Series Main Stud Kit - 12 Point Nuts - 2-Bolt Mains - Black Oxide - Mitsubishi 4G63 S15-084-DN The NecksGen REV and OriginalProduct 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.