3M Performance Spray Gun Rebuild Kit 26840, 4 Kits/Case The 3M Performance Spray Gun Rebuilt Kit provides the replacement parts needed for rebuilding the 3M Performance Spray Gun. Includes exterior replacement parts as well as all required interior seals, springs, screws and parts. Instruction manual provides specific details on how to rebuild. Includes everything needed to rebuild, including all fasteners Refresh trigger pull, needle, fan and fluid control with new springs and seals Use only with 3M Performance Spray Gun Includes detailed instruction manual