S&S CYCLE 551C Chain Drive Camshaft Kit — 551 Series, Chain – 99-06 Touring, 00-06 CVO, 00-06 Softail, 99-05 Dyna
Bolt-in camshaft kit for 96–106 CID engines (9:1–9.9:1). Improves low- and midrange torque, strongest at 1,000–4,000 rpm. For '06 Dyna and '07-'17 Twin Cam hydraulic tensioner chain drive systems. Not recommended for 10:1+ compression.