OptiTorque Patriot Series Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - GM LS-Series 10413P 1530704 Port exit dimensions: 1

Port exit dimensions: 1

- Adapt or choose the right 300V viscosity grade according to the viscosity grade recommended in your owner's manual or by your tuning service partner

Brackets / Gaskets / Hardware / Jets / Plumbing

including a convenient carry case

OptiTorque Patriot Series Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - GM LS-Series 10413P 1530704 Port exit dimensions: 1Product 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.