COMP Cams 5308 Pro Valve Lock Removal and Installation Tool for 7mm, 8mm and 5/16\ Lock
- For 7 millimeter, 8 millimeter and 5/16 inches locks.
- To install locks compress valve spring, place locks on magnetic stem, push body of the tool over the locks, position them on the valve stem and then release.
- To remove locks use the magnetic stem to pluck off the valve locks once the spring has been compressed.