This drive will allow you to run a 1-1/2" 8mm primary belt drive system inside the original primary housing. This kit replaces the complete primary chain drive system, including the clutch itself. The clutch is the BDL balls assisted lock-up type clutch. Front pulley is 52 tooth and rear 69 tooth. Complete a new sealed bearing for the inner primary. Note: See 519032 for the replacement 1-1/2" wide 142t. 8mm belt.
Fits: > 07-17 6-sp Softail (excl. Rocker, Breakout); 06-17 Dyna. Excl. all models with Assist & Slip clutch (NU)
