5.9L/6.7L Cummins Head Studs

OptiTorque Head Stud Kits Dodge Cummins 5.9L/6.7L 24V '98-present

Patriot Series Head Studs are MADE IN THE USA with heat-treated and thread-rolled 8740 material with 180,000-220,000 PSI tensile strength rating. This kit is economically priced and is and exellent upgrade over the factory head bolts for stock to mild HP 

TorqueMaster Series Head Studs are MADE IN THE USA with heat-treated and thread rolled HSLA material, with 190,000-240,000 PSI tensile strength rating. This kit is for the common mid-range HP levels

Custom Age Series Head Studs are MADE IN THE USA with heat-treated and thread rolled Double Vac Melt Custom Age Material with 260,000-300,000 PSI tensile strength rating. This kit is very high strength for high HP and boost applications

Kit includes:

• Forged, heat treated 12 point nuts
• Thru hardened precision ground washers
• Centerless-ground head studs