NOTE: if it's available to order, it's in stock. TM KZ R1 Titan Red Engine Package, "Factory Tuned" from TM, with specially titanium and red anodized engine parts. A TM prepared or tuned engine has crankcase and cylinder preparation with particular attention on cylinder transfer settings. Specialty parts such as main bearings and silencer put the prepared a cut above the regular stock engine. Includes: Carb, electronics, complete exhaust with ELTO TD3 silencer, 17t drive, J-arm and mount.