This is the Cylinder Head Only for the OS Max FS 91 Surpass II Pumped Engine.
The valve assembly is not included and if needed must be purchased separately.
**Works with Surpass II Pumped and Non-Pumped**
Pre-installed brass tubing guides for the valves
One FS 91 Surpass Pumped Version
One Aluminum Head Gasket
For cylinder head with valves pre-installed, use OSMG5232.
The intake manifold mount holes are diagonal across the throat (one
at lower left and one at upper right.
Update EEW 08/16/06
– If you need more information, use these O.S. resources –
Parts Compatibility for O.S. Cylinder Head FS-91-P
This item is a replacement part for the following:
O.S. FS-91 II Surpass 4-Stroke Ringed w/Pump
O.S. FS-91 II Surpass 4-Stroke Ringed w/o Pump
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