Product Description 1. Fitment: Universal tester use on 0-300LB, 5LB Increments Valve Springs. 2. High Quality Tools: Precision tool for the professional & normal Users. valve spring testers allow you to evaluate your valve springs with a high degree of accuracy. 3. Function: Valve spring pressure tester is an invaluable tool for you to restore old engines, build new ones, or tear them down between rounds. 4. Mini Version: These mini testers can be used in vise jaws or an arbor press. Portable design for garage or at the track. .
