BEL-RAY Thumper® Racing Synthetic Ester Blend 4T Engine Oil — 4 L, 15W-50

Engineered for single-cylinder off‑road and racing bikes, Thumper® Racing delivers maximum horsepower and consistent clutch performance 🏁

• Combines high quality synthetic esters and refined mineral base oils with premium additives for extreme racing conditions.
• Provides great anti‑wear protection for valve‑trains, rings, cylinders, and pistons.
• Contains extreme pressure additives to promote smoother shifting and reliable clutch feel.
• Formulated for riders who change oil every 2–4 hours on motocross bikes or every 3,500–4,000 miles on dual sport machines.

Built to withstand the rigors of competition while protecting critical engine components 🔧