Limited Parts
Certain parts are only compatible with cars that share the same type of engine. When buying or selling used parts, they can only be used on engines of the same design. This is broken down into 4 Categories:
(R) Rotary engines
(V) V engines (V6, V8, etc...)
(H) Horizontally opposed, boxer engines (Subaru's, FRS/BRZ, RUF, etc...)
(I) Inline engines (I-4, I-6)
Limited use Parts
Air Intake
Header
Engine Tuning Stage 1-3
Turbo Stage 1-3
Supercharger
Transmissions
Clutch Kits
Universal Parts
These parts can be bought and sold freely, even if they came from a different car than yours you can alter them to fit! You have the technology!
Universal Parts
Exhaust, Stage 1-3
High Flow Catalytic Converter
Race Computer
Nitrous
Suspension and Brakes
Carbon Driveshafts
Wheels and Tires
GT Wings
Restricted Parts
These parts are make and model specific. They can only be installed on the same make and model car of the same body style.
Restricted Parts
Aero Upgrades (except for GT Wings)
Carbon Hoods
Other Body Parts
One-Use Parts
Cannot be re-sold.
One-Use Parts
Weight Reduction
Improve Rigidity
Paint Colors (can only be sold along with car or wheels)