If you want to add an additional realistic touch to your rig RC4WD released a Trail Finder 3 22R Scale Engine Cover. The 22R engine replica is made from a durable black nylon and has been very nicely scaled by RC4WD designers to fit standard 540 sized motors
The RC4WD: Trail Finder 3 22R includes CNC machined aluminum mounting brackets.
Source: store.rc4wd.com