BEL-RAY Thumper Synthetic Blend 4T Oil - 15W-50 - 4L 99530-B4LW - Techworks Performance Online

Combines high quality synthetic esters & highly refined mineral base oils with premium additives , Formulated for single-cylinder multi-valve off-road & racing motorcycle & ATV engines, Provides great anti-wear protection for valve-trains, rings, cylinders & pistons , Extreme pressure additives to offer smoother shifting, Maximum horsepower & consistent clutch performance, Withstands extreme racing conditions, Wear protection for valve-trains, rings, cylinders, and pistons, For riders changing their oil 2-4 hours (mx bikes) or 3500-4000 miles (dual sport)