S&S, pinion/conversion kit for pinion shaft 90-99 B.T. Blue

Colour-coded blue for average size. Factory replacement for all B.T. L77-89 models. Used as a conversion kit on Evo B.T. 90-99 models with pre-90 pinion shaft. For 1989 and earlier type pinion shafts used on Evo B.T. 90-99 models (engines using S&S flywheels or other multi-piece flywheel assemblies), S&S offers this conversion package. The kits include a 77-89 colour-coded pinion gear, 54-89 oil pump drive gear, 54-89 pinion shaft gear spacer and 54-89 pinion shaft gear nut.
Note: see: 531306 Black (smaller), 531308 Blue (average), 904148 Red (average), 531309 Yellow (larger).
Note: All kits must be used with a 73-99 B.T. style oil pump drive sprocket (S&S 531209 / OEM 26345-73).
Note: If the factory pinion is unmarked and the size is unknown, or you are building an engine from scratch with no pinion, S&S recommends a pinion in the middle of the size range. These sizes were used most frequently and should provide proper pinion fitment in most circumstances. When in doubt, use a pinion from the middle towards the small end of the range, as a combination of smaller pinions with a looser fit will produce a harmless clicking sound, but if it is too tight it can cause a squealing sound, seizing and premature wear. Consult the factory service manual for information on the optimal fitment instructions between the cam pinion and the shaft pinion before ordering.


Specifications


Brand
S&S


Application
L77-84 Shovelhead; 84-89 Evo Big Twin; Conversion kit for 90-99 Evo Big Twin when using custom pre-1990 multiple parts flywheel assemblies (NU)


OEM
26345-73


Sales unit
Kit


Colour
Blue


Material
Steel


Packaging weight
0.184 kg


HS Code
87141090


Motorcycle family
BIG TWIN, DYNA, FX, FXR, SOFTAIL, TOURING


Original name
S&S, 90-99 B.T. pinion shaft gear/conversion kit. Blue