S&S, gear drive 551G camshaft kit (IOG) - 99-06 Twin Cam (excl. 2006 Dyna) with stock non-hydraulic chain tensioners (NU) 2634 Note: Fits all brands solo

Note: Fits all brands solo seats

61647-77T & 94908-84T

Peak spark voltage increases by at least 20%

Threaded preload adjuster allows for fine tuning with a simple twist of the cap

S&S, gear drive 551G camshaft kit (IOG) - 99-06 Twin Cam (excl. 2006 Dyna) with stock non-hydraulic chain tensioners (NU) 2634 Note: Fits all brands solo. 550" valve lift. IOG = gear drive cams with Inner & Outer drive Gears. Complete kit with installation hardware, bearings and gasket. Bolt in torque for stock 96" Touring bikes. Strongest cam from idle to 4000 RPM for 96" to 106". Not recommended for 10: 1 or higher compression ratio. 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