Customer supplied YB cylinder head CNC port machined for std size 35/31mm valves.
Porting 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.
Part of the All Engine Products, Ford Cosworth YB, Head assembly - Cosworth YB Range