MCS-970073 - +6% RPM (STOCK IS 32T) Fitment: 06-17 Dyna; 07-17 Softail; 07-16 Touring (NU)

MCS-970072 - Overdrive pulley; -6% RPM (stock pulley has 32t) Fitment: 06-17 Dyna; 07-17 Softail; 07-16 Touring (NU)

MCS-970071 - Fitment: L94-06 B.T.(EXCL DYNA)

MCS-970070 - Fitment: L94-06 B.T. (EXCL 06 DYNA)

MCS-970068 - Fitment: L94-06 B.T.

MCS-970066 - Fitment: 85-E94 5-SP B.T. (NU)

MCS-935772 - Fitment: 91-93 XL (NU)

MCS-935771 - 2nd mainshaft; 3rd. countershaft. Fitment: 91-93 XL (NU)

MCS-935695 - 26T Fitment: 87-90 4-SP XL

MCS-907115 - Fitment: 1990 B.T. ONLY(NU)

MCS-906697 - Can be used with OEM hydraulic tappets or run as solids. Chromoly pushrods are thinner and have better flex resistancy than aluminum. Aluminum is lighter than chromoly and will reduce inertia mass. But for heavy duty...

MCS-906696 - EZ-install pushrods can be installed without removing the rocker covers of fuel tanks; a big plus when switching to a bolt-in cam. Available in chromoly steel and aluminum. Chromoly pushrods are thinner and have better flex...