| 1989-1998 Cummins 5.9L OptiTorque Custom Age Head Stud Kit (10775) | pml-parts.ca | 1849.99 CAD | — | — |
| 2012-2018 Cummins 6.7L OptiTorque Custom Age Head Stud Kit (10777) | pml-parts.ca | 1799.99 CAD | — | — |
| 1998.5-2011 Cummins 5.9L/6.7L OptiTorque Custom Age Head Stud Kit (10776) | pml-parts.ca | 1799.99 CAD | — | — |
| 1998.5-2018 Cummins 5.9L/6.7L OptiTorque TorqueMaster Head Stud Kit (10340) | pml-parts.ca | 1499.99 CAD | — | — |
| 1998.5-2018 Cummins 5.9L/6.7L OptiTorque TorqueMaster Head Stud Kit (10339) | pml-parts.ca | 1499.99 CAD | — | — |
| 1989-1998 Cummins 5.9L OptiTorque Custom Age Head Stud Kit (10775) | ocdiesel.ca | 1358.47 CAD | — | — |
| 1998.5-2002 Cummins 5.9L OptiTorque TorqueMaster Head Stud Kit (10338) | pml-parts.ca | 1349.99 CAD | — | — |
| 2012-2018 Cummins 6.7L OptiTorque Custom Age Head Stud Kit (10777) | ocdiesel.ca | 1321.76 CAD | — | — |
| 1998.5-2011 Cummins 5.9L/6.7L OptiTorque Custom Age Head Stud Kit (10776) | ocdiesel.ca | 1321.76 CAD | — | — |
| 1998.5-2018 Cummins 5.9L/6.7L OptiTorque TorqueMaster Head Stud Kit (10398) | pml-parts.ca | 1249.99 CAD | — | — |
| 1998.5-2018 Cummins 5.9L/6.7L OptiTorque TorqueMaster Head Stud Kit (10339) | ocdiesel.ca | 1101.46 CAD | — | — |
| 1998.5-2018 Cummins 5.9L/6.7L OptiTorque TorqueMaster Head Stud Kit (10340) | ocdiesel.ca | 1101.46 CAD | — | — |
| 2019+ Cummins 6.7L OptiTorque TorqueMaster Head Stud Kit (11087) | pml-parts.ca | 1099.99 CAD | — | — |
| OptiTorque Patriot Studs (12 pt. Nuts) Head Stud / Head Bolt Kits LB7, LLY, LBZ, LMM, LML - '01 - '16 SKU: 10286P | hellonwheelsperformanceltd.ca | 1068 CAD | — | — |
| 2001-2016 Duramax 6.6L OptiTorque Patriot 12pt Head Stud Kit (10286P) | pml-parts.ca | 1068 CAD | — | — |
| 1998.5-2002 Cummins 5.9L OptiTorque TorqueMaster Head Stud Kit (10338) | ocdiesel.ca | 991.32 CAD | — | — |
| 1989-1998 Cummins 5.9L OptiTorque TorqueMaster Head Stud Kit (10392) | pml-parts.ca | 939.99 CAD | — | — |
| 1998.5-2018 Cummins 5.9L/6.7L OptiTorque TorqueMaster Head Stud Kit (10398) | ocdiesel.ca | 917.89 CAD | — | — |
| 1998.5-2011 Cummins 5.9L/6.7L OptiTorque TorqueMaster Head Stud Kit (10272) | pml-parts.ca | 899.99 CAD | — | — |
| OptiTorque Patriot Studs (12 pt. Nuts) Head Stud / Head Bolt Kits 6.0 - m14 2003-2007 SKU: 10270P | hellonwheelsperformanceltd.ca | 854 CAD | — | — |
| OptiTorque Patriot Studs (12 pt. Nuts) Head Stud / Head Bolt Kits Late 5.9/6.7 1998.5 - 2018 - 12mm (1 length) SKU: 10341P | hellonwheelsperformanceltd.ca | 854 CAD | — | — |
| 2012-2018 Cummins 6.7L OptiTorque TorqueMaster Head Stud Kit (10341) | pml-parts.ca | 849.99 CAD | — | — |
| OptiTorque 10341p Cummins - Late 5.9/6.7 1998.5 - 2018 - Patriot Head Stud Kit 12mm (1 length) | performancefasteners.com.au | 846.95 AUD | 0 AUD | — |
| 2019+ Cummins 6.7L OptiTorque TorqueMaster Head Stud Kit (11087) | ocdiesel.ca | 807.74 CAD | — | — |
| 2001-2016 Duramax 6.6L OptiTorque Patriot 12pt Head Stud Kit (10286P) | ocdiesel.ca | 784.25 CAD | — | — |
| 1989-1998 Cummins 5.9L OptiTorque TorqueMaster Main Stud Kit (10380) | pml-parts.ca | 774.99 CAD | — | — |
| 1989-1998 Cummins 5.9L OptiTorque TorqueMaster Head Stud Kit (10392) | ocdiesel.ca | 690.25 CAD | — | — |
| OptiTorque Technologies 10804 TorqueMaster Head Stud Kit 94-03 | jelibuiltperformance.com | 690.05 USD | — | — |
| 1998.5-2011 Cummins 5.9L/6.7L OptiTorque TorqueMaster Head Stud Kit (10272) | ocdiesel.ca | 660.88 CAD | — | — |
| 1989-1998 Cummins 5.9L OptiTorque Patriot Head Stud Kit (10392P) | pml-parts.ca | 624.99 CAD | — | — |
| 1998.5-2018 Cummins 6.7L OptiTorque Patriot 12MM Head Stud Kit (10341P) | pml-parts.ca | 624.99 CAD | — | — |
| 2012-2018 Cummins 6.7L OptiTorque TorqueMaster Head Stud Kit (10341) | ocdiesel.ca | 624.16 CAD | — | — |
| 1989-1998 Cummins 5.9L OptiTorque TorqueMaster Main Stud Kit (10380) | ocdiesel.ca | 569.09 CAD | — | — |
| 1998.5-2018 Cummins 6.7L OptiTorque Patriot 12MM Head Stud Kit (10341P) | ocdiesel.ca | 458.94 CAD | — | — |
| 1989-1998 Cummins 5.9L OptiTorque Patriot Head Stud Kit (10392P) | ocdiesel.ca | 458.94 CAD | — | — |
| 1998.5-2002 Cummins 5.9L OptiTorque TorqueMaster Main Stud Kit (10273) | pml-parts.ca | 424.99 CAD | — | — |
| 1998.5-2002 Cummins 5.9L OptiTorque TorqueMaster Main Stud Kit (10273) | ocdiesel.ca | 312.08 CAD | — | — |
| OptiTorque 10685 Engine Components - Ford - 289 - 302 - 460 Damper Bolt 2.050 UHL 5/8 - 18 | performancefasteners.com.au | 48.95 AUD | 0 AUD | — |
| OptiTorque 10254 Flat 9/16 ID x 0.995 OD x 0.125 Thick Steel Washer | performancefasteners.com.au | 2.95 AUD | 0 AUD | — |
| OptiTorque 10257 Flat 1/2 ID x 0.875 OD x 0.125 Thick Steel Washer | performancefasteners.com.au | 1.95 AUD | 0 AUD | — |