HD Bench Top Valve Spring Tester

The HD Bench Top Valve Spring Tester from Proform is an essential diagnostic tool for serious engine builders, machine shops, and performance mechanics who need to verify valve spring pressure and condition before assembly. This benchtop tester is designed to eliminate guesswork and prevent costly mistakes caused by weak or degraded springs, making it ideal for restoring classic engines or building high-performance applications.

This tool delivers accurate, repeatable measurements of spring load at specified heights, allowing users to compare against manufacturer specifications and identify springs that no longer meet OEM standards. Its compact footprint—measuring 7.55 x 6.75 x 14.55 inches—fits easily on any shop workbench, while the 8.41 lbs weight ensures portability between job sites.

Professional engine shops and dedicated enthusiasts benefit most from this tool, as it shifts quality control from assumption to data-driven decisions. The tester is compatible with both single and dual springs, making it versatile for various engine applications, ensuring that valve timing and performance are maintained under all operating conditions.