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Cometic top-end gasket kit for GM LLY/LBZ Duramax engines, sized for a 4.100in bore with a .051in MLS cylinder head gasket. The StreetPro-oriented kit supplies the necessary gaskets and seals and emphasizes quality MLS, AFM, aramid fiber and Armor Clad materials. Its MLS construction features embossed, coated outer layers and an uncoated stainless shim that reduce clamp load, limit bore distortion and conform sealing pressure across the combustion area without added sealer.
Cometic GM LLY/LBZ Duramax Top End Gasket Kit - 4.100in Bore - .051in MLS Cylinder Head Gasket
