These are probably the most important internal seals that you need to replace. Pressure loss in the K1 and K2 is probably the primary reason for delayed shifts and flares between shifts. This is the first part in resealing these important brake drums. Kent will cover opening up and removing the piston and bottom ring ( which will require drilling out rivets and tapping the holes for reassembly with screws. The video is 23 minutes in length. The second part ( Pt. 6 of this video class) will cover installing the new seals in both drums and reassembling them. 72234CLASS
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722.3 Tools and Hardware Needed to Replace K1 and K2 Drum Seals
Three seals in each drum need to be replaced. Only the bottom "hidden" drum seals in Viton are included.