Gates DK070536 Micro-V Dual-Sided Serpentine Drive BeltGates Dual-Sided Micro-V belt replace original equipment belts on serpentine drives that require a higher degree of efficiency when transmitting power.Double-Sided Ribbed Belts | Serpentine Belts | Carlisle BeltsDouble-Sided Ribbed Belts are constructed for superior power transmission on each side of the belt or drive pulley. They are ideal for use on Serpentine 
dk070536 dbl sided micro-v belt - GatesSpecially designed to resist wear and cracking due to overall reduced thickness in construction Broad coverage on unique applications. Custom setup for Gates