19166979 - CPP LSX-DR Bare Cylinder Head
This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.
LSX-CT and LSX-DR Heads
The LSX-CT (Circle Track) and LSX-DR (Drag Racing) cylinder heads feature raised-runnerdesigns for improved airflow that supports sustained high-rpm performance. Intake port configuration is similar to the competition-derived C5R head, but the ports are raised an amazing 10 mm and the intake manifold bolt pattern is spread to accommodate additional port configurations. Additional features include:
- 11 valve angle (same as C5R head)
- Accomodates up to 1.660" diameter valve springs
- Raised rocker rails
- Requires shaft-mount rockers (P/N 19201808)
- May require special valve covers to clear shaft-mount rockers
- Provisions for down-nozzle machining
- 9 intake manifold angle - requires new LSX DR or LSX CT intake manifolds
- unique LSX-CT/DR exhaust bolt pattern
LSX-DR Cylinder head
- 356-T6 aluminum racing head
- 5/8" thick deck
- LSX-DR retangle-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 2.280" intake and 1.620" exhaust valves (4.165" minimum bore)
- Fully CNC-ported
- Machined for 1.660" valve springs
- 11 valve angle
- Minimum 4.125" bore
- 313cc CNC'd intake ports
- 116cc CNC'd exhaust ports
- 50cc CNC'd combustion chambers
- Capable of over 900 naturally aspirated horsepower!
- Item Requires Shipping
- 55.0 lbs.
- W8.5000” x H6.4000” x L21.2000”
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