Optitorque Technologies

GM LS Head Stud Kit 2-Lengths

Cylinder Head Stud Kit - Patriot Series - 12 Point Nuts - Chromoly - Black Oxide - GM LS-Series - Kit

GM LS Head Stud Kit Custom Age Steel

Cylinder Head Stud Kit - TorqueMaster Series - 12 Point Nuts - Stainless - Natural - GM LS-Series - Kit

GM LS Head Stud Kit w/2004 & later Heads

Cylinder Head Stud Kit - Patriot Series - 12 Point Nuts - Chromoly - Black Oxide - GM LS-Series - Kit

GM LS Main Stud Kit

Main Stud Kit - Patriot Series - 12 Point Nuts - 4-Bolt Mains - Chromoly - Black Oxide - GM LS-Series - Kit

GM LS Main Stud Kit Dart LsNext Block

Main Stud Kit - Patriot Series - 12 Point Nuts - 4-Bolt Mains - Chromoly - Black Oxide - GM LS-Series - Dart Block - Kit

GM LS7 Rod Bolt Kit

Connecting Rod Bolt - 9 mm x 1.0 Bolt - 12 Point Head - Chromoly - Natural - GM LS-Series - Set of 16

GM LT1 6.2L Main Stud Kit

Main Stud Kit - Patriot Series - 12 Point Nuts - 4-Bolt Mains - Chromoly - Black Oxide - GM LT-Series - Kit

Head Stud Kit 12mm Cummins 12V 89-98

Cylinder Head Stud Kit - Patriot Series - 12 Point Nuts - Chromoly - Black Oxide - Dodge Cummins - Kit

Head Stud Kit 12mm Cummins Diesel 5.9L/6.7L

Cylinder Head Stud Kit - Patriot Series - 12 Point Nuts - Chromoly - Black Oxide - Dodge Cummins - Kit

Head Stud Kit 12mm GM Durmax

Cylinder Head Stud Kit - Patriot Series - 12 Point Nuts - Chromoly - Black Oxide - GM Duramax - Kit

Head Stud Kit 14mm Ford 6.0L Powerstroke

Cylinder Head Stud Kit - Patriot Series - 12 Point Nuts - Chromoly - Black Oxide - Ford Powerstroke - Kit

Mazda 2.3L Head Stud Kit

Cylinder Head Stud Kit - Patriot Series - 12 Point Nuts - Chromoly - Black Oxide - Mazda 4-Cylinder - Kit