LSX-LS7 Cylinder Head Assembly As Cast 19419193

19419193 LSX-LS7 Cylinder Head Assembly – As Cast, Replaces 19354239, 19328843, 19201806

• 6-bolt-per-cylinder bolt pattern
• LS7 style rectangle port design
• Assembled with 2.200" titanium intake and 1.610" sodium-filled exhaust valves
• 12° valve angle; minimum 4.100" bore
• 270cc "as-cast" intake ports, 85cc "as-cast" exhaust ports
• 70cc "as-cast" combustion chambers
• Handles .650" list with premium springs
• Uses LS7 rocker arms/LS7 bolts