More information is coming soon, .. but we are in heavey development of a port design using the Sonny's 5" bore space symmetrical port head. It's getting the entire treatment, wet flow, dry flow and CFD modeling and dyno.
Should be ready in a few months
- 4.75" bore / chamber
- 2.55" or 2.6" intake valve, 1.94" ex
- Flow over 600 cfm
- Intake runners from 530 cc to 580cc
- 5x11 or 5x14 valve angles
- Starting at $9200 complete.