Best all around cam for off road use,TT500 style riding. Must use a modified piston and rings! The valve lift is .500/.500; the duration at .040" is 273/273. Lobe center is 108.5/108.5. Intake open/close is 28 btc/65 abc. Valve lash is .005. Exhaust open/close is 65bbc/28atc. Valve lash is .005. "Please allow 10-14 days for delivery"