BamBam
Well-Known Member
- Joined
- May 14, 2008
- Messages
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These are a set of GM Performance Aluminum large oval port cylinder heads that came off of a ZZ502/502. I had Dennis at Shaver Specialties port and polish these heads when the motor first went together. I paid almost what they are selling for just in port work. These heads work well they are P/N 12363391 and have 110cc chambers with 2.250" intake and 1.880" stainless exhaust valves. I ran these on my 540cid and it made 690ftlbs. The heads are complete, fresh surface and valve job and ready to bolt on. They are local in Torrance $Sold
Helping a friend
You can also PM me and I'll answer any questions about them.
These are a set of GM Performance Aluminum large oval port cylinder heads that came off of a ZZ502/502. I had Dennis at Shaver Specialties port and polish these heads when the motor first went together. I paid almost what they are selling for just in port work. These heads work well they are P/N 12363391 and have 110cc chambers with 2.250" intake and 1.880" stainless exhaust valves. I ran these on my 540cid and it made 690ftlbs. The heads are complete, fresh surface and valve job and ready to bolt on. They are local in Torrance $Sold
Helping a friend
You can also PM me and I'll answer any questions about them.