Spectro Heavy-Duty gear oil is a multi-viscosity SAE 85W140 GL5 extreme high pressure gear lubricant. This new formula will help quiet noisy transmissions in both 4 and 5 Speed Harley-Davidson Big Twin transmissions. Specifications exceed all of the Harley & API gear oil classifications GL1 thru GL5. Special additives provide improved fluid flow to bearings, easier shifting and less drive train friction.

USE OF SPECTRO PRODUCTS WILL SAFEGUARD YOUR WARRANTY •Frequently asked questions (FAQ) on the application of EU antitrust rules in the motor vehicle sector, August 27, 2012 Zodiac International B.V. hereby states that it meets all American Made Motorcycle Manufacturer's warranty requirements set forth by the motorcycle manufacturer. Remember, choosing an alternative to the O.E.M. is not only allowed by the manufacturer, it is your right as a consumer. USE OF THIS PRODUCT WILL NOT VOID YOUR WARRANTY •You must follow the directions for engine break-in and maintenance as explained in your owner's manual. This oil is compatible with other modern oils and will mix readily unless specified by the manufacturer.