ARRMA Big Rock, Granite, Senton, Vorteks (3S/223S/2WD). ARRMA Kraton 4S – ARA4408V2. ARRMA Outcast 4S – ARA4410V2. ARRMA Mojave 4S – ARA4404. ARRMA Typhon, Infraction, Vendetta. Precision manufactured gear teeth for accurate fit and smooth operation.