Chevrolet Performance 19419187 - LSX-LS3 Cylinder Head

Single, sold individually. • L92 style rectangle port design • Assembled with 2.165" hollow stem intake and 1.590" solid stem exhaust valves • 15° valve angle; minimum 4.000" bore • 260cc “as-cast” intake ports, 80cc “as-cast” exhaust ports • 70cc “as-cast” combustion chambers • Uses LS3 rocker arms/LS7 bolts