Max Power PR9.0 2014 long stroke engine

Sprint RC introduce the updated Max Power PR9.0 2014 version long stroke engine. The updated version includes highly precise ceramic bearings, a lightened and tungsten-balanced crankshaft as well as a 9-port sleeve. Included is also a range of venturi inserts to make engine setup for 16 percent nitro fuel easier.

Source: Sprint RC [sprintrc.it]