This is the Heavy Duty Slipper Clutch Rebuild Kit from Traxxas.
FEATURES: Components for both nitro and electric Revo and Maxx trucks
INCLUDES: Three Pads, steel Slipper Disc, two Locknuts, 2x9.8mm Pin, two
Locknuts, Spring, two Spring Washers and Instructions
REQUIRES: Disassembly of slipper clutch