Straight weight 60, Klotz® American V-Twin Synthetic TechniPlate® Lubricant is custom formulated for the Harley Davidson® air-cooled engine. Will not shear like petroleum oils and stays in-grade even under the most stressful situations. The high power output and piston speeds of the V-Twin engine demand the protection Klotz® TechniPlate® advanced lubrication technology provides.