360 serious corrosion problem in the rear lower wishbones

I'd cut them off flush, then remove the bushings with a press.

 

I think he is concerned with the receiving end of the 8 bolts, and whether there are bushes he can install in the chassis to accept them. I think the wishbone flambocs are not a concern for him to swap out.

 

I recall the Honda NSX had some bolt threads coated in plastic (one use only) to prevent disimilar metals reacting with each other. I also hear that Loctite Blue 243 offers some galvanic protection (medium grip with no special tools for removal). Perhaps Permatex has something, too.

 

I live in Canada, and have never encountered such corrosion on a Ferrari. That car has seen some weather

 

Alternately, perhaps have the new bolts coated with similar stuff as fasteners used offshore or in corrosive plant areas?

That won't fix the problem with the loss of thread material on the receiving end, however.....

 

I've noticed examples both here and on Wheeler Dealers, that well driven cars in the UK do receive a lot of corrosion to the suspension and chassis...I never realized it was so wet there.