Lucas Oil Upper Cylinder Lubricant & Fuel Treatment 5.25 oz

Lucas Oil Upper Cylinder Lubricant & Fuel Treatment – 5.25 oz

Lucas Upper Cylinder Lubricant & Fuel Treatment is a premium, solvent-free formula engineered for both gasoline and diesel engines. Blended with heat-resistant, super-slick oils and high-detergent additives, it thoroughly cleans and lubricates the entire fuel system — from injectors and carburetors to cylinder walls and valve seats — without the harmful effects of alcohol or aggressive solvents.

A simple, cost-effective addition to your regular maintenance routine that delivers measurable improvements in performance, fuel economy, and engine longevity.

Key Benefits

• Lubricates rings and cylinder walls — reduces wear for longer engine life
• Improves fuel economy — causes fuel to burn more efficiently and reduces emissions
• Negates harmful effects of reformulated gasoline — protects against ethanol-blended fuels
• Neutralizes ultra low sulfur diesel (ULSD) effects — restores lubricity lost in modern diesel fuels
• Eliminates the need for higher octane fuel — saves money at the pump
• Cleans carburetors, injectors, and valve seats — restores smooth, efficient fuel delivery
• No harmful solvents or alcohol — safe for all fuel system components

How to Use

• Add entire bottle to fuel tank at fill-up
• Compatible with gasoline and diesel engines
• Use at every oil change or fuel fill-up for best results

Specifications

• Brand: Lucas Oil Products
• Volume: 5.25 oz (155 ml)
• Compatible with: Gasoline & Diesel engines
• Contains: No solvents, no alcohol
• SKU: 369511