So here is the #22 McLaren 650s GT3, which is driven by Shaun Balfe and Rob Bell.
To install go to where you have your rfactor 2 installed and then got to User Data > Settings > player > McLaren_650s_GT3 and drop it there.
To install go to where you have your rfactor 2 installed and then got to User Data > Settings > player > McLaren_650s_GT3 and drop it there.