HOT CAMS CAMSHAFT 2007 RMZ450 RM Z, HOT CAMS 2081 1IN INKAKE Apico New Upload The increased size significantly increases Hazardous The increased size significantly increases the braking power of your machine RocketII Classic (2007 2009) 60mm Intake Duration (@ 1mm): 240 degree Extract maximum performance from your engine Hot Cams provide increased intake and exhaust duration for improved breathability and more horsepower Provides significantly more mid range punch and top end speed for most models Core trade in not required so you can keep the original camshaft Adjustable cam sprockets come with some models Dual cam motor: intake Excellent bottom end and mid range gain Uses stock valve springs