OptiTorque Patriot Series Main Stud Kit - 12 Point Nuts - 2-Bolt Mains - Chromoly - Black Oxide - Small Block Ford 10672 AU6.320-2LB Comes pre-wired with color coded

Comes pre-wired with color coded harness

Ultra-lite steel spools have more lightening holes and a narrower ring gear flange than standard units to help reduce rotating weight

90 degree bend

Note: Vent tubes must be welded into the collectors

040 in thick

OptiTorque Patriot Series Main Stud Kit - 12 Point Nuts - 2-Bolt Mains - Chromoly - Black Oxide - Small Block Ford 10672 AU6.320-2LB Comes pre-wired with color codedProduct Description: Main Stud Kit Patriot Series 12 Point Nuts 2 Bolt Mains Chromoly Black Oxide Small Block Ford 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.