Compact-10 Series 8 Dual Diaphragm zinc plated power brake booster. This 8 GM truck brake booster is hand polished before a zinc finish is applied for a top quality finish. The Compact-10 mounting bracket and push rod assembly is a direct fit to your factory firewall. The Compact-10 series boosters are designed to mount closer to the firewall at a more natural angle than a factory style booster. This type of mount gives you the look & brake performance you want out of your truck. LEED Brakes 8 inch dual power brake booster with bracket (Zinc). Brake Pedal Pushrod Included. The customer is responsible for confirming that the item ordered fits the specific vehicle, make, model, engine, and fitment notes in the compatibility chart. THE LEED BRAKES DIFFERENCE. Expert Advice Need help with your brake system? Get answers from the pros.