For Model 2300, Model 4150, Model 4160, Model 4500 Holley Carburetors 2022-gmc-sierra-3500-hd-esi8609345 Motor Oil - HMX High

Motor Oil - HMX High Mileage - High Zinc - 5W30 - Synthetic - 5 qt Jug - Each

Main Bearing - H-Series - 0

Door Handles - 2-Doors - Handles / Mounting Hardware Included - Aluminum - Chrome - Universal - Kit

Helmet - GTX3 - Snell SA2020 - FIA Approved - Head and Neck Support Ready - White - Size 7-5/8 Plus - Each

Ignition Conversion Kit - Ignitor - Points to Electronic - Magnetic Trigger - Lucas 4-Cylinder - Kit

For Model 2300, Model 4150, Model 4160, Model 4500 Holley Carburetors 2022-gmc-sierra-3500-hd-esi8609345 Motor Oil - HMX HighWhy use a power valve block off? If you have a dedicated race engine that never sees part throttle, but goes right from idle to full throttle you may see more consistency. The block off screws right in place of the existing power valve. Includes gasket.