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Primo 8 mm Belt Drives for 4-Speed Big Twin

Primo 8 mm Belt Drives for 4-Speed Big Twin

Primo belt drives are developed and manufactured by Harley riders for Harley riders. Before the first Primo belt drive was sold, the belt drive systems had been tested on a Top Fuel drag bike until they would stand up to the strain. Each kit consists of the complete belt drive unit, a sprocket shaft nut, all necessary hardware and detailed installation instructions.