Dayco HPX Drive Belt for Ski-Doo Everest 340 1977-1978

The unique double cog design of the HPX belt dissipates heat and aids flexibility. Cooler running belts - over 10 degrees cooler than flat-top designs - mean better performance and longer lasting belts. BUILT FOR QUICKER ACCELERATION - double cog HPX belts feature a thicker cross section than flat-top designs For 339 Engine