Description:

For those wanting to run a solid roller set-up for your LS7 and have cylinder heads that will literally put everyone's to shame this is what you've been waiting for!  Ported by the best...GREG GOOD!!!

They are disassembled for your complete inspection and spec'g of valve springs. 
Best of everything, intake valves are 8mm 2.23" dia XCeldyne titanium, the exhaust valves are 1.625" Ferrea stainless. Valves lengths are 5.650" (+0.200" so that you can run an ~0.800" lift cam!), XCeldyne bronze guides and Comp Ti retainers.  Also includes Jesel shaft mount 1.8RR with custom 7/16" bolts holding the trunnions and also includes custom length 3/8" dia HD Smith Bros pushrods. 

The Combustion chambers have been polished and are 66cc's.  With an 0.040" head gasket static compression is 11.77 and runs great on 92 pump gas making 690 RHWP on a stock bottom end LS7 short block!  I have over $8K in this set-up, you're stealing it for $4300!  And NO $1,000 CORE CHARGE!  Sell your heads and you'll be into these for around $3K which INCLUDES $2K+ worth of Jesel Roller Rockers and $300 pushrods!!!

-400+ CFM intakes
-250+ CFM exhausts
-277cc intake runners

Local pick-up in Phoenix or buyer pays shipping and insurance.