The longevity of your engine depends on using high-quality oil designed for its specific needs. Spectro Heavy Duty Engine Oil is a superior formula engineered specifically to protect American-made Harley V-Twin engines by minimizing friction and preventing harmful deposits.
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V-Twin Specific Formula: Formulated from superior petroleum stocks and combined with the most advanced anti-wear and anti-carbon additive systems available.
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Engine Protection: Specifically engineered to extend component life, reduce wear, and eliminate valve sticking for a healthier motor.
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Exceeds Industry Standards: This oil exceeds A.P.I. SF/SG – CD/CG – 4 performance standards.
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OEM Warranty Compliant: Meets all known OEM warranty requirements for Harley-Davidson motorcycles.
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Viscosity & Size: This is a straight 60 weight engine oil and is sold in a 1-quart bottle.