Home / Products / Chevrolet Performance 19433498 - LS9 CNC-Ported Cylinder Head Assembly w/ LS3 Valves
Chevrolet Performance 19433498 - LS9 CNC-Ported Cylinder Head Assembly w/ LS3 Valves
InStock
$1,253.80
- CNC-ported version of the LS9 cylinder head - Flows about 10 percent more than the production head—more than 350 cfm (intake side) at .600" lift - 276cc intake runners and 92cc exhaust ports - Fits all LS engines with 4.000" bore or larger - 2.165" hollow stem intake and 1.590" solid stem exhaust valves - .550" max valve lift; D-shaped exhaust ports.