Spectro Heavy Duty Engine Oil is a superior motor lubricant designed specifically for use in American-made Harley® V-Twin engines. Crafted from superior petroleum stocks combined with the most advanced anti-wear, anti-carbon additive systems available, Spectro Heavy Duty extends component life, reduces wear, eliminates valve sticking. Meets all known OEM warranty requirements. Exceeds A.P.I. SF/SG – CD/CG – 4.


Heavy Duty oils should be used according to the manufacturer’s recommended change intervals and viscosity. They may be used in all Harley® engines, any year, without restriction, and will not void and factory warranty

Weight 2.01 lbs


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