![LSX - LS7 CNC-Ported Cylinder Head Assembly LSX - LS7 CNC-Ported Cylinder Head Assembly](https://cdn11.bigcommerce.com/s-z2pw3uega3/images/stencil/300x300/products/7444/8386/19329962a__83253.1682004517.386.513__39207.1696341506.jpg?c=1)
- Fully CNC ported
- 6-bolt-per-cylinder bolt pattern
- LS7–style rectangle port design
- 12° valve angle
- minimum 4.100" bore
- 70cc “as-cast” combustion chambers
- Uses LS7 rocker arms/LS7 bolts
- 397 cfm@.700" intake, 230 cfm@.700" exhaust
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