Description
- 317cc Intake runner
- 24 degree Intake valve angle
- 15 degree Exhaust valve angle
- CNC inspired casting
- Ultra-smooth casting
- 356-T6 aluminium
- Over 400 cfm
- .750 deck thickness
- Diamond honed guides
- 5 angle valve job
- Professional Assembly
- Machined and Assembled in USA
- Assemblies include: 21-4N 1pc swirl polished back cut valves, 7/16 studs and guide plates
