Would the Saudis do the unthinkable and tell Israel Ok you Jewish dogs, you got 48 hours, come on and sock it to Iran???
The bomb project is widely dispersed and very hardened. It will take a lot longer than 48 hours.
Also, Id suspect the Saudis of letting Israel do the work and then knocking out the planes while they are returning or refueling. Just cooperating with Israel would give the House of Saud severe internal political problems; perhaps fatal ones. Cooperating and then betraying would be cause for celebration and would enhance the Saudi ruling familys position and power.
This is why I think the Iranian oil facilities would be a better bet. No risk to men or planes. The job can be done by subs already on station in the Persian Gulf.
JQP seems always to forget that Iran is about as big as all of Western Europe, has ample mountainous terrain in which you could hide all of Ford's old River Rouge plant underground, and no matter how effective a first, or first 25 weeks of strikes might be, it would not take a whole lot of nuclear missile power (maybe 3) to turn Israel's major towns into toast. Israel being the size of CT means that even if you were trying to take out Hartford and missed, New Haven is gone.
Although I would personally love to put a 2,000-lb JDAM down the Imam's Holy Well, ain't nobody bombin' nobody. What's "Plan B?"
That Saudi co-op scenario is about as realistic as the Pope marrying Lindsay Lohan.