LSX-LS3 Cylinder Head 19419187

19419187 LSX-LS3 Cylinder Head, Replaces 19354243, 19201805

• 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