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  • Cometic GM LLY/LBZ Duramax Top End Gasket Kit - 4.100in Bore - .053in MLX Cylinder Head Gasket
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Cometic GM LLY/LBZ Duramax Top End Gasket Kit - 4.100in Bore - .053in MLX Cylinder Head Gasket

Cometic GM LLY/LBZ Duramax Top End Gasket Kit - 4.100in Bore - .053in MLX Cylinder Head Gasket

$721.23 $775.52
Part no. PRO3009T-4100-053
Special order Not in stock at our distributor. Lead times vary and can run several weeks. Contact us for an ETA before ordering.

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Year, make and model. Our techs check fitment against it before the order ships.

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. Quality gasket materials are a priority in StreetPro kits. Kit materials include: MLS,...

Full details and fitment

The details

About this part

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. Quality gasket materials are a priority in StreetPro kits. Kit materials include: MLS, AFM, Aramid Fiber, and Armor Clad.

  • Improved clamp load around the cylinder without increasing bore distortion
  • No Additional Sealer Needed