Exactly: plan is to drive to Home Depot and take out a valve cover bolt (inside, so it doesn't drip oil on the Home Depot parking lot and, more importantly, down the side of the engine!) and go inside to buy matching bolts in various lengths.

That is, if the valve cover bolt is the right size.

If it isn't, I'll be standing in the driveway wondering whether to reassemble the car or call a friend for a ride to go get the right size.

Thanks!

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1988 420SEL