Valve Spring Compressor with Tool for LS1 / LS2 Engine (Black)

1. Just use bolts to fix the tool in place of the rocker arm, insert the square driver of a standard circuit breaker or socket wrench into the left or right side of the tool, and then pull the lever down to compress the spring. 2. This tool makes it easy to remove and install new valve springs. 3. Applicable models: LS engine 4. Material: aluminum alloy 5. Weight: 190G