Building a RWD VW Golf is no easy task and requires certain elements to make it a reality. The key components necessary for this project include a rear-wheel drive conversion kit, a suitable engine, and the expertise to properly install and modify the vehicle. The RWD conversion kit is crucial as it allows for the rear-wheel drive setup to be installed in the VW Golf, giving it the desired performance and handling characteristics. Additionally, selecting the right engine is essential to ensure the vehicle has the necessary power and torque to drive the rear wheels effectively. 

Finally, having the knowledge and skills to properly install and modify the vehicle is vital to ensure that the RWD VW Golf is safe and performs as intended. Overall, building a RWD VW Golf is a challenging but rewarding project that requires specific components and expertise to successfully transform the vehicle into a rear-wheel drive configuration.