ARP Ford Diesel Main Stud Kits are a Performance Upgrade. Installing your Powerstroke Diesel main caps and girdle with high strength ARP main studs offer superior protection of your motors lower end. Remove the old weak factory hardware with ARP High-Performance Series Main Studs which are hardened to a tensile strength of 190,000 psi to provide superior strength for long-lasting performance. ARP Fasteners are ideal for high performance street and track Super Duty Trucks.
For more information on why you need an ARP Main Stud Kit
NOTE: If the Factory Seal Is broken on the ARP Main Studs they are no longer returnable.