Plugging or drilling a hole is sometimes necessary

the lower groove will be for the oil ring

Comes with 4 LED indicator lights for high beam (blue)

now bikers do

Fits: > All traditional H-D male mount

26H ANDREW CHAIN DRIVE CAMS Signalhorn Plugging or drilling a hole. 490" valve lift. Set includes two chain driven camshafts. A cam drive installation kit, that includes a gear cover gasket, cam bearings and retaining ring can be ordered separately as S&S (531691) or Andrews (503421). Cams can be run with stock hydraulic lifters. Bolt in. 96 103 inch with stock compression ratio. Great for two up touring, this cam will add torque and HP at lower and middle RPM ranges. (18005200 RPM). Fits: > 06 17 Dyna; 07 17