stability and perfect alignment in all circumstances without obstructing the vertical tappet movement in any way

2007 FXSTD

and valve keys

5mm) mount hole

S&S PINION GEAR, RED Växellådan stability and perfect alignment inNote: All S&S pinion shaft gears are designed to be used with a 73 99 B. T. style 24T driven gear (OEM 26345 73 MCS 531209 S&S). Color coding sequence is identical to stock H D coding. When in doubt use a gear from the middle to the small side of the range. A combination of smaller gears should provide adequate gear clearance under most circumstances. Both excessive and zero gear lash combinations cause engine noise, but no gear lash causes binding