OptiTorque Patriot Series Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - GM Duramax 110015 we do not sacrifice quality

we do not sacrifice quality

reverse the drill and remove the mandrel from the insert

Available as a one-piece suit

Gasket Intake Gasket 405G Port Dimensions W-1

OptiTorque Patriot Series Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - GM Duramax 110015 we do not sacrifice qualityProduct Description: Cylinder Head Stud Kit Patriot Series 12 Point Nuts Chromoly Black Oxide GM Duramax 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.