The low-carbon engine oil formulated especially for Harleys. bullet Available in S.A.E. 20w 50, 50, 60, and 70 grades bullet Eliminates valve sticking due to carbon deposits bullet For use in all air-cooled, roller bearing engines bullet Protects in the most severe conditions bullet Out-performs premium Harley HD 360 oils Description Spectro Heavy Duty engine oils are blended from high-density, low carbon base stocks to ensure high film strength and clean, deposit free operation. An all-petroleum lubricant, Spectro Heavy Duty contains unique detergent and anti-wear additives to protect iron and iron-lined alloy cylinders and roller-bearing crankshafts from premature wear.
Applications For use in all Harley engines, any year, without restriction to model. Observe Harley-Davidson recommended oil change intervals.