Automotive narrow-section raw edge GUFERO® timing belts are timing belts with internal gearing for the transmission of high power and revolutions. Narrow-section raw edge timing belts are widely used in motor vehicles of all kinds with high loads and demands on long service life. Automotive narrow-section raw edge timing belts are known for their long service life and the transmission of high power and revolutions. Automotive narrow-section timing belts are resistant to oil and chemical substances and can withstand temperatures from -30 °C to +90 °C.