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17 Tooth Sprocket with 5/8" Bore for #41 and #420 Chain For #41 and #420 Chain17 Teeth3" OD5/8" ID3/16" Key WayTwo Set Screws

Jackshaft Kit with 8 Tooth and 17 Tooth Sprockets for #41 and #420 Chain Weld-on jackshaft kit with 8-tooth and 17-tooth sprockets for a 112.5% increase or decrease in gear ratio. 4" long 5/8" OD jackshaft with keyway. 8 tooth and 17-tooth sprockets with keyways, two keys, two precision sealed ball bearings with snap rings, two weld-on bearing hangers, and two axle collars with set screws. This is a complete kit that contains everything needed to install a weld-on jackshaft. ...

12 Tooth Sprocket with 5/8" Bore for #41 and #420 Chain For #41 and #420 Chain12 Teeth2-3/8" OD5/8" ID3/16" Key WayTwo Set Screws

Jackshaft Kit with 8 Tooth and 25 Tooth Sprockets for #41 and #420 Chain Weld-on jackshaft kit with 8 tooth and 25 tooth sprockets for a 212.5% increase or decrease in gear ratio. 4" long 5/8" OD jackshaft with keyway. 8 tooth and 25 tooth sprockets with keyways, two keys, two precision sealed ball bearings with snap rings, two weld-on bearing hangers, and two axle collars with set screws. This is a complete kit that contains everything needed to install a weld-on jackshaft. ...

Jackshaft Kit with 8 Tooth and 25 Tooth Sprockets for #41 and #420 Chain Weld-on jackshaft kit with 8-tooth and 25-tooth sprockets for a 212.5% increase or decrease in gear ratio. 10" long 5/8" OD jackshaft with keyway. 8-tooth and 25-tooth sprockets with keyways, two keys, two precision sealed ball bearings with snap rings, two weld-on bearing hangers, and two axle collars with set screws. This is a complete kit that contains everything needed to install a weld-on jackshaft. ...

48 Tooth Sprocket for #41 and #420 Chain Made from Tempered (Hardened) Aircraft Grade Aluminum Alloy For #41 and #420 Chain48 TeethG1 Mounting Pattern8" OD2" ID2.875" Bolt Circle DiameterFour 3/8" ID Bolt Holes Alternative Sprocket Available: We carry a factory-made 48 tooth steel sprocket with G1 mounting pattern for #41 and #420 chain that has a lower price than this custom-made sprocket. ...

60 Tooth Sprocket for #219 Chain with F5 Mounting Pattern Made from Aircraft Grade Tempered (Hardened) Aluminum For #219 ChainF5 Mounting Pattern 60 Teeth 54.1mm ID Five 5.25mm ID Bolt Holes Equally Spaced @ 72 Degrees 67mm Bolt Circle Diameter

40 Tooth Sprocket for #219 Chain with F5 Mounting Pattern Made from Aircraft Grade Tempered (Hardened) Aluminum For #219 ChainF5 Mounting Pattern 40 Teeth 54.1mm ID Five 5.25mm ID Bolt Holes Equally Spaced @ 72 Degrees 67mm Bolt Circle Diameter

42 Tooth Sprocket for #219 Chain with F5 Mounting Pattern Made from Aircraft Grade Tempered (Hardened) Aluminum For #219 ChainF5 Mounting Pattern 42 Teeth 54.1mm ID Five 5.25mm ID Bolt Holes Equally Spaced @ 72 Degrees 67mm Bolt Circle Diameter

125 Tooth Sprocket for #219 Chain with G4 Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum Alloy125 TeethFor #219 ChainG4 Mounting Pattern5.25" Bolt Circle Diameter4.563" BoreSix 0.261" ID Bolt Holes Equally Spaced @ 60 Degrees