COMP Cams 4925 - CAM Checking Tool

This innovative tool actually slides down into the lifter bore and rides on top of the camshaft in order to measure lobe lift and base circle runout. Each tool includes two followers: one for solid or Hydraulic cams and one for rollers. Two models are available and each is double ended.

For GM (.842" diameter) and Ford (.875" diameter) lifter bores; Built-in o-ring holds tool firmly in the lifter bore while 1" travel dial indicator (not included) reads cam lift to .001"