OptiTorque Patriot Series Main Stud Kit - 12 Point Nuts - 4-Bolt Mains - Chromoly - Black Oxide - GM LT-Series WIL300-12581 1 in Double D to

1 in Double D to 3/4 in Double D

This allows BMR to offer a LIFETIME WARRANTY against spring sag

Will function as an auxiliary speed input (i

Fits 7mm x 1

Rely on Sealed Power products for your next engine rebuild or repair

OptiTorque Patriot Series Main Stud Kit - 12 Point Nuts - 4-Bolt Mains - Chromoly - Black Oxide - GM LT-Series WIL300-12581 1 in Double D toProduct Description: Main Stud Kit Patriot Series 12 Point Nuts 4 Bolt Mains Chromoly Black Oxide GM LT Series 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.