[lewis]

Ok guys bear with me here.

This is my understanding of the types of available.

Slab sides
289
289FIA
427

Slab side differences are obvious...and the differences between the 289 and 427 is just the front fender flair...right?

Also, my understanding....the original 289 and FIA are the same 3" tube spring frames. or is there differences?

and of course the 427 is the 4" tube dual swing arms (front & back)

Is this basically the right track?

Any other info would be greatly appreciated.