• Developed for the unique demands of 4-stroke racing motorcycles equipped with separate engines and transmissions• Formulated with extra protection for gears and bearing subject to high torque loads of today's powerful 4-stroke thumper engines• Flows freely for better clutch cooling and provides po...

D169 RAYMARINE Belt for Autohelm Raytheon Autopilot. Fits Units with Black housing cover only. This belt will Not fit 4000 Autopilots with Gray cover. Please check your belt length before ordering.