Safely remove your radiator cap by venting the pressure from the cooling system before removing the cap. Manufactured to meet all OEM specifications. Designed to be easy to install and remove. Manufactured from high quality components with proper relief and vacuum valves. Quality tested to stand up to even the most demanding automotive cooling systems. Product Features:Safety lever to vent coolant pressure before removalMaintains proper cooling system pressureEasy installation and removal100% tested to ensure proper pressure and longevityMeets all OEM specifications