19330896 LSX-CT Cylinder Head, Replaced by 19166981

19166981 LSX-CT Cylinder Head
- Fully CNC-ported
- 356-T6 aluminum racing head
- 5/8" thick deck
- LSX-CT rectangle-intake port design - requires LSX-CT or LSX-DR intake manifold
- LSX-CT/DR spread-port exhaust port pattern
- Cast-in down-nozzle bosses (not machined)
- Designed for 2.200" intake and 1.610" exhaust valves
- Machined for 1.625" valve springs
- 11- valve angle
- Minimum 4.125" bore
- 302cc CNC-d intake ports
- 109cc CNC-d exhaust ports
- 45cc CNC-d combustion chambers
- Requires 19201808 shaft-mount Rocker Kit
- Capable of over 850 naturally aspirated horsepower!