This is a stock base that has been port matched to as&m runners and also has been siamesed about 2-3 inches in as seen in pictures. fits stock applications 85-92 TPI or any small 1st gen block. i had this intake on with stock runners and as&m runners and it pulls really well up to 6K and maybe even higher, i just never tried, i also had the tpis big mouth intake on the same engine with as&m runners, and they pulled pretty much the same. i dont know how much to ask for this piece so i am taking best offers right now. i might be willing to sell the as&m runners also, but have not fully decided on selling them just yet.

 

do you still have these for sale? i'll give you $450 plus shipping for the runners and base or if you are only selling the base i'll give you $125 plus shipping. are you also selling the plenum? it looks like its ported out as well, i've been looking for a setup like this for a while, because i dont have the means to do it myself, how much do you want for the plenum?