Original parts are expensive. When you are trying to correct what many, many years of neglect, iffy maintenance, sloppy uncaring mechanics, and thrift-store replacement parts have done to your car, It just becomes part of the drill. However, in this case , if you really have a Boss 351 car, correct numbers and all, and you are just missing the intake and carb, whatever the asking price is, is fair, if you NEED it. The Boss that requires this set-up is the valuable thing. I've got a Chrysler Hemi in one of my dragboats and hemi parts are expensive, but it's a hemi ! If it's too steep, there's always some Chevy you can play with for less. I bought a rare Thompson SBC timing cover off of Ebay for a restoration. I paid STUPID money for it. NO WAY anyone should have paid as much as I did, however, the dragboat restoration was a one-of-a-kind, 5 time record holder, so , paid the asking price and never looked back.