LS3 heads pulled off a stock 2010 Camaro with a little over 1000 miles. Hand ported by a guy that builds NHRA Super Stock engines. Located in Houston, TX. Willing to ship. $1000 OBO

-Stock Valves
-NEW PRC springs and retainers: good to .675 lift
-274cc Intake runners
-72cc Combustion chamber

Flow #'s@ 28" H2O on a 4.03" bore
.100 - 78cfm
.200 - 170cfm
.300 - 247cfm
.400 - 280cfm
.500 - 325cfm
.600 - 346cfm
.700 - 355cfm
.800 - 361cfm

 

got the guys name?..were they ever installed on anything?

 

His name is Brent Carpenter, son of racer Ed Carpenter. They have never been installed since being ported.