19419197 LSX-LS7 CNC-Ported Cylinder Head Assembly, Replaces 19329962, 19354241
• Fully CNC Ported
• 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
• 70cc "as-cast" combustion chambers
• Handles .650" lift with premium springs
• Uses LS7 rocker arms/LS7 bolts
• Uses P/N 19257879 bare head
• 397 cfm@0.700" intake, 230 cfm@0.700" exhaust
