race car chassis-suspension-engine 3D model

race car chassis-suspension-detailed engine (theres piston, valve, cam, etc)I really love designing race cars, motorcycle, etc coz I was into automotive, engineer, etc so I tried to design kind of race car chassis, engine.I usually build my own car & motorcycle's engine irl & I really liked it even tho I were just a beginner designer. I dont mind selling it cheap bcs I dont know what am I supposed to price it & its still unfinished yet actually so you might got an idea to make it nicer (sorry for my english anyway)