4.6 4V OEM Camshafts Set, 56k Miles
Came out of 56,xxx mile '03 Cobra
| Left Intake: |
YL7E-6A271-AB |
| Left Exhaust: |
YF3E-6A273-AB
|
| Right Intake: |
YL7E-6A270-AB |
| Right Exhaust: |
YF3E-6A272-AB |
As far as the specs are concerned, Ford states lift on all is 10mm (0.3937") at the valve and 5.54mm (0.218") on the lobes. Duration @ 0.050" is right around 185 for the intake and 195 on the exhaust side, but those numbers sometimes vary by a degree here and there. As for lobe centerline, 114 seems to be commonly agreed upon. In addition, the cams raise intake valves with a 37mm diameter, and exhaust valves that are 30mm.
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