Description: Versatile Application: This valve spring compressor tool allows for quick removal of valve spring without the need to disassemble the cylinder head. It is for all overhead valve engines, making it suitable for use in cars, motorcycles, boats, and aircraft enginesWide Compatibility: Retainer removal installation tool is designed to fit most overhead valve engines with valve stem diameters ranging from 4.5mm to 7.5mm and 5/16 inch to 3/8 inch. The new compact size is good for for Toyota four-cylinder engines and for Chrysler New World enginesEfficient Operation: Easily install or remove valve components by pushing or tapping the tool with a hammer to remove the valve keepers. The built-in in the tool body securely holds the keepers for quick disassembly and reassembly of valvesDesign: To install keepers, simply place them on the valve stem and push or tap the handle into place. This tool can be used directly on vehicles or on a workbench, providing flexibility in various working environmentsConstruction: Valve spring compressor tool made from metal that is sturdy and long-lasting, this tool resists rust, corrosion, and oxidation, ensuring extended service life even under demanding conditions Specification: Material: Metal Size Chart: 19.3cm/7.60inch Package Includes: 1 Set Valve Keeper Remover Installer Kit Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.