I have not seen V-Twin Motorcycle oil in the 5 qt. jugs, and not for 23 bucks. If you are let me know where and I'll buy all they have. The difference is zinc for one, and who hows what else that goes into the V-twin that dosen't go into the car/turck oil. If you want to know ALL the difference do a seach here for oils and you will find more then you could ask for. Alot of information and links to other sites.
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