Hex-head valve cover bolt kit for Duramax 6.6L LBZ/LLY/LMM/LML engines, designed for secure sealing and repeated service.
• Hex-head hardware for easier service access • Helps maintain consistent valve cover clamping • Includes required washers (where applicable) • Built for durability in heat-cycle conditions
Fits: GM: Silverado 2500HD; Silverado 3500HD; Sierra 2500HD; Sierra 3500HD
Applications:
Make
Model
Years
Engine
GM
Silverado 2500HD / Silverado 3500HD / Sierra 2500HD / Sierra 3500HD
