Your engine's longevity depends on clean, high-quality oil. Spectro Heavy Duty Engine Oil is more than just a lubricant; it's a superior formula designed specifically to protect American-made Harley® V-Twin engines. By minimizing friction and preventing harmful deposits, it ensures a longer, healthier life for your motor.
- Formulated from superior petroleum stocks combined with the most advanced anti-wear, anti-carbon additive systems available.
- Specifically engineered to extend component life, reduce wear, and eliminate valve sticking.
- Meets all known OEM warranty requirements for peace of mind.
- Exceeds A.P.I. SF/SG – CD/CG – 4 performance standards.
- A straight 60 weight engine oil, sold in a 1-quart bottle.