Overhead Engine Valve Spring Compressor Tool Fast and safe valve spring removal and installation: Designed to quickly remove and worn or broken valve springs from your vehicle with a secure and controlled compression process. Broad vehicle compatibility: Suitable for passenger cars and light commercial vehicles. Works on foreign and domestic vehicles and supports engines with dual springs and inner and outer springs. Secure, efficient operation: Features two different length jaws that grip the valve spring for a secure hold. The overhead design allows you to attach the tool to the valve springs without removing the cylinder head, enabling quick removal and installation. Durable construction: Made from carbon steel for durability. Includes strong bearings to withstand compression forces. Coated with zinc and black oxide for protection. Practical use scenarios: In valve spring replacement on common passenger vehicles. Servicing engines with dual inner/outer valve springs. Overhead valve maintenance where removing the cylinder head is undesirable or impractical.