HOT CAMS EXHAUST CAMSHAFTS YAMAHA YZ 450F 10-

4165-2IN and 4166-2E when used as a set provide increased mid-top torque and horsepower. Produces more power than the OE cams from 6000 rpm and up with a slight loss at lower rpm. Produces more power than the stage 1 set from 8000 rpm and up. Performance

>Exhaust Duration: 254 >Exhaust Lift: 8,9 >Exhaust Lobe Center 102 > 0,15 >Intake Duration: 0 >Intake Lift: 0 >Intake Lobe Center: 0 >Intake Valve Lash: 0