Bought this 1967-69 Firebird fastener kit from Totally Stainless (#61692 at CI, USD 169.99) myself and was very pleased! Of course, it´s not complete, even so it tells... Can´t be at that price! But you get more than 450 pieces in stainless steel in factory original appearance and even in black stainless steel (didn´t even know before that black stainless steel exists...) where appropriate. If you want this kit to be complete you´ll have to pay more than 400-450 USD. When you look in the catalogs you´ll find: A single set of frame bolts/nuts for the lower A-arm costs around USD 26.00 (4 pieces), a pair of caliper bracket to spindle top bolts costs 17.00 USD (2 pieces), one single correct head bumper nut with attached washer costs USD 1.50 (and you´ll need 10-12...), so that will sum up.
At a price of 400-450 USD nobody will buy this kit, may it be as complete as possible. But I agree: one can argue concerning the specification "complete set of..."