iRacing O.S. rear engine cover

iRacing have introduced this new rear engine cover, with mixture recovery system for OS .21 engines. Thanks to the 2 holes on the upper side of the cover, which go under the piston and the central hole to which they are connected, it is able to improve the internal fluid dynamics, improving performance and consumption. Suitable for iRacing and O.S. .21 engines.

Source: iRacing [bmt-team.com]