S&S, gear drive 509G camshaft kit (IOG) - 99-06 Twin Cam (excl. 2006 Dyna) with stock non-hydraulic chain tensioners (NU) 961569 like can happen with a

like can happen with a screwdriver

Starter Jackshaft KitOne-piece design jackshaft assembly delivers more torque to the primary and is more tolerant of misalignment problems

Custom wheel spacer set with stock dimensions

Set includes springs only

C630 bearing bronze

S&S, gear drive 509G camshaft kit (IOG) - 99-06 Twin Cam (excl. 2006 Dyna) with stock non-hydraulic chain tensioners (NU) 961569 like can happen with a509." valve lift. IOG = gear drive cams with Inner & Outer drive Gears. Complete kit with installation hardware, bearings and gasket. Bolt in, high torque from idle to 4000 RPM for 88" engines with stock compression. The gear drive system is in fact a revolutionary different and much more reliable construction. Especially in high lift performance applications, when compared with the OEM chain drive design. A gear driven camshaft is stronger and will