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4 Inch Jackshaft Kit with 15 Tooth and 25 Tooth Sprockets for #410 (1/2" x 1/8") Chain Weld-on jackshaft kit with 15-tooth and 25-tooth sprockets for a 40% increase or decrease in gear ratio. 4-1/2" long x 5/8" OD jackshaft with keyway, 15-tooth and 25-tooth sprockets with keyways, two keys, two precision sealed ball bearings with snap rings, two weld-on steel bearing hangers, and two jackshaft collars with set screws. This is a complete kit that contains everything needed to install a weld-on...

10 Inch Jackshaft Kit with 15 Tooth and 25 Tooth Sprockets for #410 (1/2" x 1/8") Chain Weld-on jackshaft kit with 15-tooth and 25-tooth sprockets for a 40% increase or decrease in gear ratio. 10" long x 5/8" OD jackshaft with keyway, 15-tooth and 25-tooth sprockets with keyways, two keys, two precision sealed ball bearings with snap rings, two weld-on steel bearing hangers, and two jackshaft collars with set screws. This is a complete kit that contains everything needed to install a weld-on...