Opel C20XE Head CNC Porting


CNC porting for stock or oversize valve Opel C20XE head.
Includes work only, using customers head, valves and parts.
Oversize valves, guides, titanium retainers etc. can be supplied separately.
Price includes CNC porting, valve refacing, seat work, re-surfacing and cylinder head measurements.

Flow increase over stock head is ~25% with stock valves.
Cross section area and flow can support ~250hp naturally aspirated and ~8500rpm with stock displacement.
Stock head has enough flow and cross section area for ~200hp and ~6400rpm.
Exhaust to Intake flow ratio is high and runners are kept small and efficient for good pulse tuning and ~8500rpm limit of stock crankshaft.

Every cylinder head is hand finished.
Delivery time ~2-months.

More pictures to come!

Please be in touch with email before ordering to be sure this head fits your purposes.

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