This will go over cylinder bores up to 4-1/2in. This is used to check piston-to-deck clearance, and it is magnetic so it holds firmly in place. Dial indicator 66962 is sold separately.
| Manufacturer | Proform |
|---|---|
| Fitment | Fits Over Any Cylinder Bore Up to 4.500" |
| Colour | No |
| Note | No |