Additional Images

Wehrli Custom Fabrication Duramax Billet Upper Valve Cover Set LLY, LBZ, LMM

-Left and Right Upper Valve Covers
-Flush Head Stainless hardware
-O-ring Seal
-Powder Coating
Please Call for Availability
Availability: In Stock


WCFab Billet Upper Valve Cover set with -10AN breather ports on each side. ***NOTE: These valve covers do not have OEM style bosses to accept factory fuel filter housing bracket or upper coolant pipe and other OEM type items*** These are designed for high horsepower race applications and modifications to wire harness tabs and mounting brackets are necessary.