Bel-Ray Thumper 4-Stroke Racing Motor Oil

Bel-Ray Thumper 4-Stroke Racing Motor Oil is specifically engineered to meet the demands of single cylinder multi-valve 4-stroke racing engines. The high temperatures and severe loads of racing require the exceptional film strength, shear- and temperature stability of Bel-Ray Thumper 4-Stroke Racing Motor Oil. Bel-Ray Thumper 4-Stroke Racing Motor Oil is sold in case quanity only.