Description
- 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
- 70-cc “as-cast” combustion chambers
- Handles .650″ lift with premium springs
- Uses LS7 rocker arms/LS7 bolts
- Uses P/N 19257879 bare head (shown)
- 397 cfm @ 0.700″ intake, 230 cfm @ 0.700″ exhaust
