Motion Pro 08-0248 Adapter and Bore Protector Set The set includes three adapters and three bore protectors for use with the quick action valve spring compressor (08-0247) 23 millimeter bore protector can be used with the Small Multi-Valve Tool (08-0165) for installing keepers in shim under bucket applications Bore protector sizes are 20 millimeter, 23 millimeter and 26 millimeter Adapter sizes are 18 millimeter, 20 millimeter and 23 millimeter Used in same applications as Kowa tool 2K-07-S04, Honda tools 07GME-KT70200, 07GME-KT70100, 07JME-KY20100, 07JMG-KY20100, 07959-KM30101, and 07HMG-MR70002