Check the listing for details. Valve Spring Compressor 10PCS Auto Compression Clamp Tool Service Kit, Valve S. Condition: New, Made in United States. Listed at 17.58 USD. Description: A valve spring compressor is specially designed to help remove and compress valve spring convenient and safe. Our professional valve spring compressor is a ideal tool for use on most car, small van and motorcycle engines. There are 5 different size adaptors suitable for various spring diameters on most cylinder heads. It allows you to correctly fit the valve spring and makes it more easier to compress. Don't miss it! Features: Professional valve spring compressor tool allows you to remove and compress valve springs on most cylinder heads more convenient. Comes with 5 adaptors for various spring diameters, as well as to fit valve spring correctly for safe and easy compression. .