The chassis serves as the foundation upon which other parts can be affixed. Hence, it would help if you had something rigid because it supports you and the forces you direct upon it.
The wheel is considered the heart and soul of the simulator since it provides the most crucial response. It would help if you had a force-feedback mount, meaning your wheel is linked to a base, which has a motor that gives out force along the axis of rotation.
In an actual car, the driver feels how the vehicle reacts to inputs through the wheels, pedals, and body. In the simulator universe, all you receive is the response from the wheel; thus, choosing the appropriate one is crucial.
Threshold braking knows where the ultimate brake pressure lies and deploys it to brake as late as possible without reducing too much speed headed to a corner. It is a skill that allows for faster lap times, but it is a complicated move to understand on an actual track.
Press the brakes heavily, and you will slow the car; rail them lightly, and you will not acquire adequate downforce on the front wheels, and you will understeer the track into the wall. Thus, acquiring a pedal that feels natural is an essential simulator feature.
The basic specification when purchasing a headset is the refresh rate. For an immersive experience, you will need one with a refresh rate of at least 144 Hz.
If your headset has a delay, you will get a slower response. IRacing needs you to keep micro-modifying things when you drive, which is easy to achieve if everything reacts swiftly.
With iRacing games, the graphics processor is the most valued element since you want magnificent details, which the iRacing engineers have meticulously infused the game to shine through. For example, things like tire marks, as if in real life.
Hence, get a console with a great processor for iRacing due to all the physics and other computations needed to get the car's handling to perfectly to imitate the real thing.