Extreme Race 88A urethane is very stiff for almost total control of the engine movement. If you are launching on slicks at the drag strip these will help you transfer more power by limiting engine movement. These will cause significant noise, vibration and harmonics in the car chassis. 16-20 Civic Rear Engine Mount - Fits all AT or MT Civics (LX / Sport / EX / Si / Type-R). Rear engine mount for 2016-2020 Civic. Works will all models, and transmissions, including Type R. This is a must have modification if you plan to visit the track in your Civic.