HOT CAMS EXHAUST CAMSHAFTS YAMAHA YZ 450F 10-

THIS IS THE CAM SET THAT WILL SUIT MOST RIDERS IN MOST RIDING SITUATIONS. 4163-1IN and 4164-1EX when used as a set provide increased low - mid rpm torque up to 9000 rpm and improved peak torque with a no loss at high rpm. Throttle response is also improv

>Exhaust Duration: 249 >Exhaust Lift: 8,64 >Exhaust Lobe Center 101,5 > 0,15 >Intake Duration: 0 >Intake Lift: 0 >Intake Lobe Center: 0 >Intake Valve Lash: 0