Silver Polished Aluminum Portable Valve Spring Compressor

This valve spring compressor is made of excellent quality aluminum material and is silver in color. This valve spring compressor apparatus and method for compressing cylinder valve spring for the removal and installation of their locks or keepers and for replacement of the valve stem seals or broken springs on an internal combustion engine, while the cylinder head is mounted on the engine or supported on a workbench. It is 40 kilograms in weight and has an AC power source.