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.
Cometic Cummins 3.9L 4BT Top End Gasket Kit - 4.100in Bore - .067in MLX Cylinder Head Gasket
Cummins 3.9L 4BT Top End Gasket Kit; 4.100in. Bore; .067in. MLX Cylinder Head Gasket
Cummins 3.9L 4BT Top End Gasket Kit, 4.100" Bore, .067" MLX Cylinder Head Gasket
MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing
Improved clamp load around the cylinder without increasing bore distortion
Cummins 3.9L 4BT Top End Gasket Kit
Cumm 3.9L 4BT Top End Gasket Kit
Dodge Cummins 3.9L 4BT 1983+
Quality Gasket Materials
Top End Gasket Kit
Engine Top End Kit