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Free standard shipping on orders over $149
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Maximize your Harley-Davidson Big Twin’s performance with Maxima V-Twin Transmission Oil 85W-140, 32oz (Part #40-01901), from Factory SuperBike. Formulated for 4-, 5-, and 6-speed high-performance gear boxes, this heavy-duty gear oil provides ultra-high film strength, smooth shifting, and extended durability under severe conditions.
Engineered for high-performance Harley-Davidson Big Twin motorcycles, this 85W-140 oil delivers unmatched protection and smooth operation in severe conditions. Made in the U.S.A. Explore more Maxima Racing Oils at Factory SuperBike.
Note: Not for sale in California or New York (Prop 65).
Keep your Big Twin running strong. Limited stock—text DEALS to 503-832-7473 to secure yours today!
© Factory SuperBike 2025
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