Moroso Performance Power Valve Tester Features: Checks For Ruptured Diaphragms/Prevents Flooding Remove Cap And Screw Into Power Valve Cut Away Section Allows Visual Inspection CNC Machined From 6061-T6 Aluminum Blue Anodized To Prevent Corrosion Requires Use Of Hand Operated Vacuum Tester Height: 1.75 Width: 6.88 Length: 9.63 Weight: 1.17 lbs