Fast and easy installation This valve spring compressor tool installs valve spring assemblies in seconds, saving time and effort during head work. Its precision design provides a seamless fit with no modifications needed, keeping your workflow smooth and efficient. Perfect fit for VTEC heads Specifically engineered for VTEC cylinder heads, it delivers a reliable, secure fit every time. Unlike universal clamps, it protects the head during the repair process and maintains safe operation throughout the job. No rocker-arm removal required Work directly with the head on the block, eliminating the need to remove rocker arms or camshafts. This saves time and reduces the risk of misalignment or additional repairs. Durable aluminum construction Made from high-quality aluminum alloy for long-term reliability. The robust build is lightweight and easy to handle during extended use. Use scenarios - Replacing valve springs on Honda/Acura VTEC engines during head service. - In-shop valve maintenance when keeping the camshaft/rocker assembly in place is advantageous. - Field or shop use where a compact, lightweight tool improves portability and speed.