Bel-Ray Thumper Racing Synthetic Ester Blend 4T Engine Oil - 10W-40, 15W-50, motorcycle, racing, cruiser, parts, accessories Bel-Ray Thumper Racing Synthetic Ester Blend 4T Engine Oil - 10W-40, 15W-50, motorcycle, racing, cruiser, parts, accessories Bel-Ray Thumper Racing Synthetic Ester Blend 4T Engine Oil - 10W-40, 15W-50, motorcycle, racing, cruiser, parts, accessories Bel-Ray Thumper Racing Synthetic Ester Blend 4T Engine Oil - 10W-40, 15W-50, motorcycle, racing, cruiser, parts, accessories

Bel-Ray Thumper Racing Synthetic Ester Blend 4T Engine Oil - 10W-40, 15W-50

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 SN and JASO MA2 requirements. Suitable for air-cooled/liquid-cooled 4-stroke engines and wet clutches.

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Part #DescriptionStockPriceOrder
BR-99520-B1LWBelRay Thump SynEst 10W40 1LtrYes$24.95 [Add to cart]
BR-99520-B4LWBelRay Thump SynEst 10W40 4LtrYes$69.95 [Add to cart]
BR-99530-B1LWBelRay Thump SynEst 15W50 1LtrYes$24.95 [Add to cart]
BR-99530-B4LWBelRay Thump SynEst 15w50 4LtrYes$69.95 [Add to cart]