Features: The 66784 valves spring compressor tool is engineered for precise compression of 3/8" and 7/16" rocker arm bolts, crafted from iron for reliable engine maintenance and repair efficiency. This engine repair kit includes a compressor and removal tool, designing to streamlines valves spring compression and bolt extraction in automotive applications. Ideal for professional mechanic and DIYer enthusiasts, this heavy duty valves spring tool ensures secure handling during cylinder head repairs and valves spring replacements. Optimized for garage workshops, this compressor simplifies engine disassembly tasks by providing controlled force to remove valves spring without damaging critical engine components. Its ergonomic design minimizes user fatigue while maintaining precise, making it indispensable for automotive valves spring removal and engine rebuilding projects. Specifications: Component::Iron 66784 valves spring compressor removal tool, simple product design ensures that users can operate the valves spring compression tool correctly and obtain a safe and efficient maintenance experience. Package Includes: 1pcs Valves Spring Compressor Removal Tool note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.