Brought to you by Bitter End – Old School Choppers – One-Stop Shopping for Hardcore Chopper Builders
* The secret is in the mist
* Increases output by up to 5 horsepower
* Enhances throttle response while improving fuel economy
* Includes main jets in sizes 165/185 for fine tuning
* Easy to follow instructions are included
Yost
Fits Mikuni HSR Smoothbore 42 & 45mm carburetors
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