This is an Exhaust Pipe Nut for the
OS Max FS-20 or FS-26 4-Stroke Engines.
This is a flanged hex nut, threaded on one side with a nut head. The nut goes
over the flanged end of pipe and tightens the pipe to the head of the engine.
Direct Replacement Part.
Made of black metal.
One Header Pipe Nut Only
One Header Pipe
10mm open end wrench to tighten the nut
9mm diameter with a thread pitch of .8mm.
updated jpg 8/31/06
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