my brother in 1979 had his 327/350 rebuilt with new pistons,bored etc...with all good stuff ..now these speed pro pistons were 11 to 1 s which i believe were standard hardware on 327/350 and 350/350.....anyways it cost him 1300.00 back then,bro i think u been away from the game for 2 long......perf parts just are not cheap.tech has came three fold but so have the prices......a decent set of heads run you 2 grand easily......good flowing heads..350/350 heads are NOT cheap to a laymans build up....i don't want to depress you bro,but i'd save up and do it right.....just my 2 cents,you WILL be much happier in the long run....btw..good luck friend! .