For LS2
12576063
LS2 Cylinder Head Assembly
Lower cost alternative to the LS6 head
Fits any 1997'2008 LS family engine*
2.00 Solid stem intake, and 1.55 solid stem exhaust valves
.570 max valve lift
210cc 'cathedral port' intake ports
70cc D-shaped exhaust ports
65cc combustion chambers
Bare head P/N 12564825 available separately
Upgrade the valves to LS6 hollow stem valves with P/N 17801930