Camshaft Kit, S&S Gear Drive 640G Twin Cam 07 & Later Big Twins, 06 & Later Dyna - 640 Grind
If upgrading the stock chain drive system, it is easier to order a complete kit. These kits include Camshafts with inner gears, an outer cam drive gear kit, S&S cam bearing plate and the camshaft installation kit.
Kit contains all parts listed on this page.
Fits 07-08 Twin Cams and 06 and later Dyna
Don't order unless you check pinion shaft run-out. Runout must be less than .003 inches.