Fitment: This tool ONLY works for SOHC/DOHC Overhead Cam Engines (For Honda, For Toyota, For Ford, For GM, For BMW For VW etc. passenger cars & light pickups). NOT compatible with Pushrod OHV / V8 pushrod engines, motorcycles, lawn mowers, heavy-duty trucks. Description: Fits valve springs with outer diameter from 1.1″ to 1.8″, reguires vertical clearance between valve cover and spring retainer. Single tool only, no extra adapters or accessories included. Package Include: 1 * Spring Compressor Valve Removal Installer tool W/o Product Instruction .