OptiTorque Patriot Series Main Stud Kit - 12 Point Nuts - 4-Bolt Mains - Chromoly - Black Oxide P1FK050-H02E Manufactured from America's Finest Aluminum

Manufactured from America's Finest Aluminum Material and machined to perfection

Using the Centerforce centrifugal weights (where applicable)

GM Fullsize Truck 2019-25

why is Arai alone responsible for such comfort and fit advances as different interior shapes to fit different head shapes

Prevents metal chips and other debris from entering dry sump pumps

OptiTorque Patriot Series Main Stud Kit - 12 Point Nuts - 4-Bolt Mains - Chromoly - Black Oxide P1FK050-H02E Manufactured from America's Finest AluminumProduct Description: Main Stud Kit Patriot Series 12 Point Nuts 4 Bolt Mains Chromoly Black Oxide GM LS Series Dart Block 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.