My 96 Cobra heads that were destroyed had the AD gear and the new 98 Cobra heads have BA on the timing gear. They both have 42 teeth and the backspacing looks the same. The CPS hump is in the same spot. I think I remember seeing something about the 98 and up timing stuff being different and want to know if I have to get other new components. Thanks all!!
The keyed OEM gears are no longer offered by Ford. The corner parts store gear selection usually has the key molded into the gear. You might try some of the aftermarket performance suppliers.
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