Universal Pneumatic Engine Valve Spring Compressor and Valve Stem Seal Removal Tool Kit.

This is a universal valve spring remover and installer master kit.
 
Designed for the assembly and disassembly of valve springs and the replacement of valve stem seals on cars without removing the cylinder head.
Valve Spring Compression Function. Valves are held in place by pressurized air within the cylinder, preventing them from falling into the combustion chamber during the process.
The kit includes various components such as air hoses with a regulator, multiple spark plug connectors (e.g., M10, M12, M14, M18), and different compression heads and rods to fit various engines.
This valve spring tool kit is compatible with many vehicle brands and also compatible with 8, 16, and 24 valve engines. Widely adapted for gasoline and diesel vehicles to meet your different needs.
It is suitable for use on OHV and OHC petrol or diesel engines with accessible valve settings.
This tool allows a single person to complete the replacement operation efficiently, even in narrow spaces.