OptiTorque Patriot Series Main Stud Kit - Hex Nuts - 4-Bolt Mains - Chromoly - Black Oxide - Big Block Chevy Racing Suits 2 Momentary Rocker / 4

2 Momentary Rocker / 4 Rockers / 3 3-Way Position Rockers

LS2 and LS6 engines provides bolt-on performance gains w/o any loss in bottom-end drivability

Equal runner lengths designed to increase velocity and more evenly distribute airflow to all 8 cylinders

Fits 2004-2008 Ford F-150 with 4

safer movement and maximum durability

OptiTorque Patriot Series Main Stud Kit - Hex Nuts - 4-Bolt Mains - Chromoly - Black Oxide - Big Block Chevy Racing Suits 2 Momentary Rocker / 4Product Description: Main Stud Kit Patriot Series Hex Nuts 4 Bolt Mains Chromoly Black Oxide Big Block Chevy 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.