Cometic Gasket · New
Cometic GM LB7 Duramax Top End Gasket Kit - 4.100in Bore - .045in MLS Cylinder Head Gasket
MPN PRO3008T-45 · Store SKU cgsPRO3008T-45
Supplier stock checked 11/7/2026, 9:17:37 AM UTC. Adding a part does not reserve it.
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Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
COMETIC StreetPro Kits cater to the budget-minded street-rodder who is looking to purchase a kit with all necessary gaskets and seals needed for their rebuild. StreetPro gasket kits are sold as a top-end kits and bottom-end kits. Purchase both top- and bottom-end kits for a total engine rebuild. Quality gasket materials are a priority in StreetPro kits. Kit materials include: MLS, AFM, Aramid Fiber, and Armor Clad. MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel GM LB7 Duramax Top End Gasket Kit; 4.100in. Bore; .045in. MLS Cylinder Head Gasket GM LB7 Duramax Top End Gasket Kit, 4.100" Bore, .045" MLS Cylinder Head Gasket GM LB7 Duramax Top End Gasket Kit
Manufacturer fitment & guides
- GM Duramax 6.6L 2001-2004
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
Part-specific notes
- California Proposition 65: Y
