Trans-Dapt Performance Products 2446 Canvas Phenolic Holley/AFB Carb Spacer Features: Laminated Canvas Phenolic Material Ultimate Insulator Keeps Your Carburetor Cooler More Powerful Fuel Charge All Gaskets And Mounting Hardware Included Open Or Ported; With Or Without PCV Port Height: 0.38 Width: 7.63 Length: 8.63 Weight: 0.56 lbs Vehicle Type: Carburetor Spacer