The product featured is a high performance Crown Wheel and Pinion (4.25) Ratio which is custom manufactured for the Audi 020/02Y 5 Speed Gearbox type (Rod change gear selection). The product supports all models for the Audi A3 1.6. The package content consists of Crown Wheel and Pinion (4.25) Ratio. Please note we only use high quality branded bearings ensuring that our products are high in quality and performance.