prostock555
Member
- Joined
- Oct 15, 2010
- Messages
- 64
hi, i have a set of 317 heads that were fully ported profesionally by a shop in florida i dont have the flow numbers on the heads but they they were done right, they have manley stainless 2.08 intake and 1.60 exhaust valves, the chambers are 70cc, these heads were purchased new from gm then fully ported, they also have double springs and steel retainers from TEA, which are good up too .0650 lift, they were put on my new combo 408 twin turbo that we just recently chassis dynoed and at 15 psi on pump gas it made 820hp at the wheels threw a turbo 400, only reason for selling is i am putting togeather a six bolt lsx combo this winter and going to a after market six bolt head....my loss your gain 700.00 shipped....thanks Don...
