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$524.95
XDP X220 Series Head Stud Kit 01-16 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML—
$524.95
The Story
Whether you have a stock or performance built Duramax, head studs are a necessary upgrade. Adding head studs can prevent a lifted head or a failed head gasket due to stretched factory head bolts. The XDP X220 Head Studs are the perfect upgrade for your 6.6L. Each stud is constructed with 8740 chromoly steel with an added proprietary element. Threads are rolled after heat treating to provide optimum fatigue strength. This stud kit is rated at 225,000+psi tensile strength and 205,00+psi yield strength to make sure your heads stay locked into place.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Whether you have a stock or performance built Duramax, head studs are a necessary upgrade. Adding head studs can prevent a lifted head or a failed head gasket due to stretched factory head bolts. The XDP X220 Head Studs are the perfect upgrade for your 6.6L. Each stud is constructed with 8740 chromoly steel with an added proprietary element. Threads are rolled after heat treating to provide optimum fatigue strength. This stud kit is rated at 225,000+psi tensile strength and 205,00+psi yield strength to make sure your heads stay locked into place.





















