290-291 HD mainshaft lock nut. 5 or 6 speed model option.

HD mainshaft transmission lock nut.  290 part number fits the 5-speed models and has a left hand thread for a 1.60 inch diameter shaft.  The 291 nut fits the 6-speed mainshaft and has right hand thread for a 1.80 inch shaft.  Made in USA using aircraft grade steel plate. Ships with two high grade allen screws.

 

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290-291 HD mainshaft lock nut. 5 or 6 speed model option.
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  • Item #: 290-291
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Price $24.95
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