Good Deal on a 383?

If they say it will work...you can probably get it to work. I would not be surprised if grinding/denting of the headers may be required...as with any aftermarket part.

Also, it doesn't appear you'd be getting any accessory brackets or pulleys with this, so you'd have to buy all of this...where if you swapped to another small block, you already have it...same goes with wiring, it would have to change.

Did you ever wonder why they never sold many 383 a-bodies and why they were discontinued? The 340 was just as fast, handled better, and came factory with power steering. You'd have everything you needed but a driver's side mounting bracket already to swap in a 340 or 360.