Features: Application: This valve seat pressure tester is designed for varieties of shaft style and stud mount roller rocker systems, which performs well on wedge / inline motors, canted / splayed motors, and Big Chief / spread port styles. Function: Simply unscrew the handle and move the load cell module in or out for adjusting the ideal length across the rocker. This PC-100 valve seat pressure tester is equipped with four course adjustment hole locations and includes four fine adjustment shims which allows the calibration to within .050" of rocker arm pivot length. Package Includes: Consists of a spring tester with a 0-600 lb gauge and an 8" long handle. .
eBay