Novarossi 21Plus S4 pullstart engine
Racing Experience have released this exclusive Novarossi 21Plus S4 pullstart engine perfect for customers who wish to upgrade the stock motor in their 1/8th scale RTR buggy. This competition based engine is based on the Plus 4 motor and used a 13mm/square stroke set for super drivability and which also makes it easy to tune. Available only in territories where Racing Experience operates.
Source: Racing Experience [racing-experience.fr]