ARP 1982-2016 Chevy Duramax Head Stud Kits
Product Description
Details
230-4201
ARP 12mm 6.6L Duramax Head Stud Kit. 01-16 Chevy / GMC
ARP's Pro Series Head Studs are made with heat-treated and thread-rolled 8740 material with an incredible 200,000 PSI tensile strength rating for better load distribution. They also come with ARP's unique 12-point nuts and hardened parallel washers, giving you the improved torque reading.

230-4202
Chevy Duramax 6.6L CA625+ Head Stud Kit
With ARP's proprietary Custom Age 625+® material, rated at an amazing 260,00 psi tensile strength, you get a material engineered to provide the best clamping force, reduce cylinder head lifting, and peace of mind knowing you have head studs that won't give out on you. Addtionally, they are created with a broached end, allowing for quick and easy installation or removal in tight spaces.
Kit includes:
- Chrome moly steel 12-point steel nuts
- Parallel-ground washers
- Centerless-ground head studs

130-4062
Chevrolet/GM 6.2L & 6.5L diesel, M12 Head Stud Kit
Rated at an incredible 200,000 PSI tensile strength, ARP’s Pro Series cylinder head studs are just what you need to increase the accuracy of your torque readings and give you that extra boost. They are heat-treated, thread-rolled and machined with 12-point nuts, resulting in a complete kit for better load distribution.
