The new Pro-12/15/18 engines have been designed to achieve the easiest operation and max performance again. The all new Pro-18 big block engine creates incredible plenty of horse-power more than the previous .15 engine, which is the best choice for the out-law race. The 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.

Designed to achieve the easiest operation and max performance again and again. The PRO-50BK Series have the most raw power & durability simultaneously! The "K" version features a built-in hexagonal shaft starting system, to start it with ease. Of course, the new webbed reinforced compact crankcase is made for added wearing resistance and provides effective heat dispersion to meet the demands of long term usage.