Bel-Ray Thumper Racing Synthetic Ester Blend 4T 4-Stroke Engine Oil

• 4-stroke motorcycle racing oil that combines the finest quality synthetic esters and highly-refined mineral base oils specifically engineered for today’s 4-stroke single cylinder, multi-valve racing engines
• Provides maximum anti-wear protection for valve-trains, rings, cylinders and pistons
• Delivers maximum horsepower while providing consistent clutch performance
• Meets API SN and JASO MA2 requirements
• Suitable for air-cooled/liquid-cooled 4-stroke engines and wet clutches
• Protects against viscosity breakdown under high temperature and high shear
• Reduced cylinder and ring wear
• Longer bearing life
• Cleans deposits
• Control’s sludge and varnish formation
• Keeps ring lands and grooves free of carbon build-up
• The shear stability provides superior lubrication and film strength
• Minimizes friction for maximum power
• Prevents clutch grabbing for an easily controlled and efficient gear shifting and clutch operation
• Viscosity options: 10W-40, 15W-50
• 1 Liter or 4 Liter bottles