HOT CAMS INTAKE CAMSHAFTS YAMAHA YZ 450F 10-

The 4169-INBLD provides the highest RPM air flow. When used as a set with the #4171-EXBLD exhaust cam modified engines will produce good high RPM horsepower. Uses stock valve springs._x000D_
|The 4169-INBLD provides the highest RPM air flow. When used as a set with the #4171-EXBLD exhaust cam modified engines will produce good high RPM horsepower. Uses stock valve springs._x000D_
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>Exhaust Duration: 0 >Exhaust Lift: 0 >Exhaust Lobe Center 0 > 0 >Intake Duration: 265 >Intake Lift: 10,92 >Intake Lobe Center: 106 >Intake Valve Lash: 0,1