Contact Us
Orders over $79.00 will receive free shipping. This is a residential delivery service, deliveries Monday through Friday from 9:00am to 8:00pm.
Learn MoreThis item is considered hazardous material. Orders containing this product will ship ground only and cannot be shipped to Alaska, Hawaii, US Territories or outside the United States.
Bel-Ray Thumper Racing Synthetic Ester Blend 4T Engine Oil is a 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 SM and JASO MA2 requirements. Suitable for air-cooled/liquid-cooled 4-stroke engines and wet clutches.
Product Variant | Manufacturer Part # |
---|---|
1 Liter / 10W40 | 99520-B1LW |
1 Liter / 15W50 | 99530-B1LW |
4 Liter / 10W40 | 99520-B4LW |
4 Liter / 15W50 | 99530-B4LW |