6.6L Duramax Diesel Main Stud Kits

The installation of the ARP Main Stud Kit on the Chevrolet and GMC vehicle with the 6.6L Duramax ensures a high performance diesel engine will not have the main caps from walking during high RPMs. These ARP Duramax Main Stud Kit will keep your engine running at its optimum performance level by reducing walking and fretting. These kits provide the improved clampdown levels required with torque specifications of 200 foot-pounds on the main bolts and 86 foot-pounds on the side bolts. 

ARP GM Duramax Diesel Main Stud Kits are a Performance Upgrade which strengthens the lower end of your motor. 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.

The use of  an ARP 6.6L Duramax Diesel Main Stud Kit offers the following benefits;

• ARP Main Studs protect the threads in your engine block.
• Main Studs provide more accurate torque readings because main studs do not twist into the engine block.
• Main Studs produce clamping forces which are on one axis.
• Less force exerted on the block threads which contributes to improved engine block life.
• Using a precision-made main stud allows for easier engine assembly.
• Main Studs ensure the proper aliment of the main caps.
• Main Studs do not allow the main cap to move.

KLM Performance offers these Chevy and GM Duramax Diesel ARP Main Stud Kits for your turbo diesel engine:

• ARP 230-5401 Chevy Duramax Diesel Main Stud Kit 2001 to 2006 LB7, LLY models
• ARP 230-5402 Chevy Duramax Diesel Main Stud Kit 2006 to 2016 LBZ, LMM, LML, LGH models

All of the ARP Main Studs are MADE IN THE USA!

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.