PROFORM (66843): Camshaft Checker Tool with Dial Indicator for Chrysler

This PROFORM lobe indicator tool for Chrysler 273-440 Hemi engines measures lobe lift and base circle runout by sliding down into the lifter bore, held in place with heavy-duty O-rings. Includes dial indicator (0–1.000” range in 0.001” increments; also sold separately as P/N 66962) and followers for flat tappet and roller cams.


  • For Chrysler 273-440 Hemi engines.
  • Dial indicator range: 0–1.000” in 0.001” increments.
  • Flat tappet follower: 0.904” diameter.
  • Roller cam follower: 1.000” diameter.

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