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This is an ultimate conversion for any Naturally aspirated application. The flow and port design is perfect for both 2lr & 2.4ltr applicaions. 

Cosworth YB CNC Phase 1 (Upgrade)

  • Customer supplied YB cylinder head CNC port machined for std size 35/31mm valves.

    Ported for maximum flow - ideally for naturally aspirated applications.

    Bronze valve guides shown available at additional cost.

    Any refurbishment work may incur additional costs.

    Free UK collection service, free delivery within Europe. Typical turnaround time 14 days or less. Price +VAT.
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