Thunder Tiger new Pro-12/15/18 are available in several versions with the same mounting dimensions, making it drop-in easy to upgrade. All of series are available with built-in recoil starters ("X" type). The PRO-12BXP and PRO-15BXP are available for the previous RTR cars of the Thunder Tiger. The " K" type series engines feature a built-in hexagonal shaft starting system that can be operated to start the engine easily and quickly.
Side exhaust. ABC construction: Aluminum piston with Cr-plated brass cylinder liner. Hyperutectic machined Al-Si ringed piston . High strength connecting rod with bushings pre-installed. SG crankshaft. One-piece crankcase with squared-off shape cooling fins. Dual ball bearing-supported crankshaft. Machined over-sized heat sink head. Built-in hexagonal shaft starting backplate. 2 Needle valves carburetor. State of the art CNC machined components.