Precise Compatibility: This go-kart drive belt is engineered for seamless compatibility with most Manco, American Sportworks, and Ken-bar models equipped with 5hp-7hp engines. It serves as a direct, drop-in replacement for OEM part numbers Manco 5959 285B 286B 286U 485B 906C， Murray 12-8487，Baja Motorsports BB65-395， Ken-Bar 300-009 255-299，Comet Torq-A-Verter Series, 30 Series, TAV30, TAV-2，Rotary 8487，Hoffco & Comet 994-70 203589 203589A 203589-W1 203589-W2. Please check your part number for compatibility before placing an order Race-Ready Performance: Built to deliver the speed and consistency demanded by karting enthusiasts. Our drive belt provides stable, reliable power transmission across various weather conditions and terrains, helping you conquer every track challenge with confidence. Durable Material Construction: Crafted from selected high-grade, wear-resistant rubber, this belt offers exceptional durability for long-lasting use. Its excellent flexibility enhances tensile strength and tear resistance, ensuring it can withstand the rigors of high-intensity racing and driving. Exact Specifications: This drive belt features precise dimensions of 0.75 inches in width, designed to meet the exacting requirements of compatible go-kart systems. Simple & Clear Installation: For optimal performance, ensure the center-to-center distance between the drive and driven pulleys is set between 6 5/8 inches and 6 11/16 inches. Install the belt in the direction indicated by the printed arrows, with the flat side facing the engine.