12x1Ltr SPECTRO Transmission oil

Spectro hypoid transmission lube is a multi-viscosity SAE 80W90 GL5 extreme high pressure gear lubricant that is especially formulated for use in both 4 and 5 Speed Harley-Davidson Big Twin transmissions. Specifications exceed all of the API gear oil classifications GL1 thru GL5. Special additives provide improved fluid flow to bearings, easier shifting and less drive train friction.