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**

FEATURES: Aluminum construction
          Pre-installed brass tubing guides for the valves

INCLUDES: One FS 91 Surpass Pumped Version
          One Aluminum Head Gasket

COMMENTS: 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.

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                                                                          ir/jl
                                                            Update EEW 08/16/06