Hot Racing optional super duty slipper system with pressure plate, slipper hub, and metallic friction pad for the 1/10 Traxxas E-Maxx, E-Revo, Rally, Revo 3. 3, Slash 4X4, Slayer Pro 4X4, Stampede 4X4, Rusler 4x4, Summit, and T-Maxx 3. 3. FEATURES: - CNC machined aluminum and steel construction - Metallic friction materials are composed of a number of base metals: copper, bronze, and iron. This material conducts heat away from the friction material surface and offer low wear, for applications that demand long life and high durability. YOU WILL RECEIVE: - One (1) steel slipper pressure plate - One (1) aluminum slipper hub - One (1) slipper pad - One (1) aluminum input shaft spacer (only install if needed; not required on all vehicles) SPECIFICATIONS: - Slipper pad size: 32mm octagon - Thickness: 3. 1mm - Thru hole: 20mm REQUIREMENTS: - Ensure slipper plate screws do not extend past plate surface. Shim, file, or obtain different screws if needed. - Medium thread lock (e. g. blue Loctite) on screws threading into slipper plate COMMENTS: - This replaces Traxxas 5351 slipper pressure plate and hub - Replace slipper pads if they show signs of wear and/or chipping - Replacement slipper pad is Hot Racing TRX15EXP - Known to fit (still check your vehicle's manual to verify the stock slipper part number): E-Maxx, E-Revo, Rally, Revo 3. 3, Slash 4X4, Slayer Pro 4X4, Stampede 4X4, Summit, and T-Maxx 3. 3 description revised by: SN September 27, 2017