OptiTorque Patriot Series Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - GM LS-Series 10413P COM26918CC-KIT A Grant Installation Kit is

A Grant Installation Kit is necessary to mount this wheel to a vehicle

Upgrading a Non C-N-P Main Harness requires the Holley Universal Coil-On-Plug Harness

and build all our products

On-track testing and driver evaluation however

OptiTorque Patriot Series Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - GM LS-Series 10413P COM26918CC-KIT A Grant Installation Kit isProduct Description: Cylinder Head Stud Kit Patriot Series 12 Point Nuts Chromoly Black Oxide GM LS 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.