12.38 12 Offset Sprocket Kits for 4-Speed Big Twin Models The perfect answer for problems posed by the mounting of custom wide rear tires or wheels. Includes offset transmission sprocket, precision machined rear sprocket spacer plate and hardware. Sprocket offset is .255”. Spacer is .305” thick. 25657 Kit with 22-tooth sprocket 25598 Kit with 23-tooth sprocket 25599 Kit with 24-tooth sprocket Replacement Sprockets Specifically for the kits listed above. 18385 22-tooth 18386 23-tooth 18387 24-tooth Note: Designed to ease problems encountered on some custom applications. 1979 through 1985 FX models require substantial modifications including changeover to a Prestolite starter. Custom Chrome will happily provide a detailed instruction sheet before your purchase so that you can better determine its benefits for your particular application. Mainshaft Sprocket Spacers Get the proper clearance between the transmission sprocket and case on 80-81 4-speed chain drive models, and earlier style transmissions in conjunction with aftermarket sprockets. 12225 Spacer, sprocket (repl. OEM 35079-80) pack of 5 Belt to Offset Sprocket Conversion Kit for 5-Speed Big Twins Install 150-series tires on 5-speed Big Twin models by converting from belt to chain drive. Offset 24-tooth front sprocket and spacer moves the rear drive chain away from the tire. The stock final drive ratio on 5-speed models is 2.1875. Installation in conjunction with a 51-tooth rear sprocket will change the ratio to 2.125, with a 48-tooth rear sprocket it will lower to 2.000 which is ideal for stroker motors. Fits Softail models from 86-06 when used with 73-85 4-speed rear sprockets, and FXR models from 85-94 when used with rear sprockets originally for FXR’s. 25658 Kit with 24-tooth sprocket Transmission Offset Sprockets 894955 26T 1/2” Offset Dyna 06-, Softail, Touring 07894956 25T 1/2” Offset Dyna 06-, Softail, Touring 07894957 24T 1/2” Offset Dyna 06-, Softail, Touring 07894958 26T 3/4” Offset Dyna 06-, Softail, Touring 07-* 894959 25T 3/4” Offset Dyna 06-, Softail, Touring 07-* 894960 24T 3/4” Offset Dyna 06-, Softail, Touring 07-* Note: *Touring models 07- Requires modification on primary and final drive! 894955 894956 894957 Aluminium Drive Pulleys by Primo Rivera 893535 For Big Twins 93- with 32 tooth for 2” rear belt drive 893536 For Big Twins 93- with 34 tooth for 1” rear belt drive 893537 For Big Twins 93- with 29 tooth 29 Tooth Belt Drive Transmission Pulley for 5-Speed Big Twin Higher torque (lower top speed) in comparison with OEM 32 tooth pulley. Recommended for high performance engines. • Precision machined • Heat-treated quality alloy steel Part#: 919684 , Fitment: 94 FX Model, 94-05 Dyna, 94-06 Softail, 94-06 Touring , Fitment Note: Use in combination with 1 1/8“ and 1 1/2“ final belt and rear pulley , OEM #: 40250-94 , Unit: Each , Qty.: 1
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