Air Check Valve Secondary A.I.R. Injection Valve Connector Gender:Male Connector Quantity:2 Hose Connector Quantity:2 Inside Diameter:0 Length:6 In. Material:Aluminum and Plastic Maximum Diameter:0.76 In. Mount Hole Diameter:0.34 In. Mount Hole Quantity:2 Mounting Hardware Included:No Package Contents:1 Secondary Air Injection Control Port 1 Inside Diameter:0.6 In. Port 2 Inside Diameter:0.6 In. Port Quantity:2 Terminal Gender:Male Terminal Quantity:2; 3 Terminal Type:Blade Vacuum Port Quantity:0