Products

Final Drive Oil by Spectro. Spectro ATV Wet Brake and Gear Oil is formulated to provide lubrication of ATV differential and final drive gears, and provides the correct friction and heat transfer characteristics for wet brakes. Superior extreme pressure performance and anti-wear capabilities for ...

Protects Fuel System Components from Ethanol Damage. Spectro Ethanol Fuel Conditioner will protect any fuel system components from damage by ethanol, which is present in most fuels. It will inhibit the build-up of gums and prevent corrosion in fuel delivery systems, and will extend fuel life and...

Golden Semi Synthetic Engine Oil by Spectro. The ultimate semi-synthetic motor lubricant formulated specifically for use in high output, high performance engines. Incorporating a blend of the world's leading IV synthetic base oils and superior quality petroleum base oils, with the most advanced ...

Synthetic Petroleum Blend Cartridge Fork Oil by Spectro. Formulated specifically to service modern inverted cartridge style forks, Spectro's Golden Cartridge Fork Fluid is a semi-synthetic blend of the world’s leading base stocks, including anti-foaming and anti-wear additives. Conditions seals,...

Semi-Synthetic Suspension Fluids by Spectro. Spectro Golden Shock Fluids were developed to meet the critical demands of today’s suspension systems - even under racing conditions! They virtually eliminate fade and foaming due to thinning and air entrapment, and out-perform the OEM fluids they are...

DOT5 Silicone Brake Fluid - Heavy Duty. Designed to surpass all DOT 5 specifications and requirements, Spectro's Heavy Duty DOT 5 is the ideal brake fluid for all Harley-Davidson® motorcycles specifying a DOT 5 fluid. But it’s better, because this fluid beats spec in every way. It meets full OEM...

Premium Heavy-Duty Fork Fluid by Spectro. Delivers superior damping and long-lasting lubrication as well as anti-foaming, anti-rust, and anti-corrosion attributes. Provides exceptional temperature stability, minimises fluid leakage, and resists fading. Spectro Heavy Duty Fork Oil also preserves ...

SAE 85w140 Heavy-Duty Gear Guard Oil by Spectro. Premium quality lubricant formulated specifically to run in motorcycle transmissions to prevent rust, corrosion, oxidation and to combat foaming and gear pitting. Formulated specifically for Big Twin transmissions, it reduces drag, friction loss, ...

SAE 20w50 Full-Synthetic Engine Oil for V-Twin Motorcycles. Performance engine oil specifically designed for Harley-Davidson® and other V-Twin motorcycles. This fully synthetic motor oil provides reduces friction, offers tremendous lubrication and provides superior protection in extreme heat con...

SAE 20w50 Heavy Duty Motorcycle Engine Oil by Spectro. The ultimate synthetic petroleum blend motor oil designed specifically for use in Harley V-Twin engines. Spectro's proprietary combination of world class Group IV synthetic lubricants, superior base stocks and advanced anti-wear additives pr...

Heavy Duty V-Twin Motorcycle Engine Oil by Spectro. Superior motor lubricants designed specifically for use in Harley-Davidson® V-Twin engines. Crafted from premium petroleum stocks combined with the most advanced anti-wear and anti-carbon additive systems available, Spectro Heavy Duty extends c...

Full Synthetic Transmission Oil, For Helical and Straight-Cut Gears. In response to Harley-Davidson® owners complaining about their great, but noisy, new 6-speed transmissions, Spectro developed this Heavy Duty Platinum 6 Speed Transmission Oil. Fully synthetic, it is formulated to significantly...

SAE 20w50 Full-Synthetic Engine Oil for V-Twin Motorcycles. Engineered specifically for Harley-Davidson® high-performance engines and other high-output V-Twin motors. Spectro Heavy Duty Platinum Full Synthetic's Group 4 PAO base stock provides smoother shifting, reduces friction, offers tremendo...

SAE 75w140 Full Synthetic Heavy Duty Gear Oil for V-Twin Motorcycles. Top of the line, fully synthetic lubricant formulated specifically to run in Harley-Davidson® Big-Twin transmissions. Spectro combines the leading synthetic PAO base oils with the most advanced additive package available today...

Platinum Level, Heavy Duty, Full Synthetic Sportster Transmission Lube by Spectro. Formulated for V-Twin motorcycles, Harley Sportster transmissions, and all Harley-Davidson® primary chaincases. A full synthetic transmission lubricant engineered to work in all applications where the same oil lub...