Easy clamping and compression The spring clamp mouth grips the valve spring securely, enabling quick and straightforward compression with minimal effort. Universal valve spring compressor This overhead valve spring compressor is suitable for compressing valve springs on many cars and light trucks, making it easy to disassemble valve springs or valve stem seals. Stable design The support leg includes a built in offset to compensate for spring wind, keeping the Valve Removal Installer Tool vertical and stable during use. Versatile use Especially suitable for use with installed cylinder heads in vehicles with space under the engine hood, but it can also be used for workbench operations. Use scenarios Replacing valve stem seals on a vehicle with limited hood clearance while the cylinder head remains installed in the engine bay. Bench maintenance where the head is removed from the engine and valve springs are compressed for inspection or service. General valve spring maintenance on light trucks in a workshop with limited space around the valve area.