Products
SPECTRO Golden 4 Semi-Synthetic Engine Lubricant
Golden Semi Synthetic Engine Oil by Spectro. High output high-performance engines, such as the Indian Thunderstroke 111 and 116 engines (20w40 grade), are the target of Spectro's specially formulated Golden 4 semi-synthetic motor lubricant. Incorporating a blend of the world's leading IV synthet...
SPECTRO Golden Cartridge Fork Fluid
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,...
SPECTRO Golden Shock Fluid
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...
SPECTRO Golden Supreme DOT 4 Brake Fluid
DOT 4 Golden Supreme, High Temperature Brake Fluid by Spectro. Designed to meet the most demanding high performance conditions in today’s motorcycle braking systems, Spectro Golden Supreme DOT4 Brake Fluid meets and exceeds DOT 4 and DOT 5.1 specifications. Suitable for ABS systems, this synthet...
SPECTRO Heavy Duty DOT 5 Brake Fluid
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...
SPECTRO Heavy Duty Fork Oil
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 ...
SPECTRO Heavy Duty Gear Guard GL-5
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, ...
SPECTRO Heavy Duty Golden Full Synthetic Engine Lubricant 20w50
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...
SPECTRO Heavy Duty Golden Semi-Synthetic Engine Lubricant 20w50
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...
SPECTRO Heavy Duty Motorcycle Engine Lubricant
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...
SPECTRO Heavy Duty Platinum 6 Speed Transmission Lubricant GL-5
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...
SPECTRO Heavy Duty Platinum Full Synthetic Engine Lubricant
Full-Synthetic Engine Oil for V-Twin Motorcycles. Engineered specifically for Harley-Davidson® high-performance engines and other high-output V-Twin motors. The Group 4 100% PAO base stock provides smoother shifting, reduces friction, offers tremendous lubrication and provides superior protectio...
SPECTRO Heavy Duty Platinum Gear Oil GL-1
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...
SPECTRO Heavy Duty Platinum Sportster Transmission Lubricant GL-1
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...
SPECTRO Heavy Duty Primary Chaincase Oil
Heavy Duty Primary Chaincase / Transmission Fluid by Spectro. This shear-stable petroleum is designed to withstand the punishment of high loads, and contains special polymers to provide exceptional clutch engagement and temperature stability. Meets full OEM requirements, and should be used accor...
SPECTRO Hypoid Gear Lubricant GL-5
SAE 80w90 Motorcycle Hypoid Gear Oil by Spectro. Formulated with the highest density and highest VI petroleum base stocks available. Special EP additives are used to reduce pinion gear wear. Spectro Gear Lubricant is designed for the final drives and transmissions of all shaft-drive motorcycles ...


