Golden 4 Synthetic blend is our super premium blended lubricant. Exceeds all known motorcycle manufacturer’s warranty requirements, plus API SL/JASO MA/MA2. Smoother shifting, highest shear stability, exceptional endurance for the price.
Heavy Duty Golden Synthetic Blend is the ultimate blended engine lubricant designed specifically for use in Harley® V-Twin engines. Our proprietary combination of world class Group IV synthetic lubricants, superior base stocks and advanced anti-wear additives provides lower consumption rates, extends component life, reduces wear. API SF/SG – CD/CG-4.
Heavy Duty Platinum Full Synthetic is engineered specifically for Harley® high-performance engines and other high-output V-Twin motors. Spectro Heavy Duty Platinum Full Synthetic provides smoother shifting, reduces friction, offers tremendous lubrication and provides superior protection in extreme heat conditions. API SF/SG – Diesel-rated.
Designed by Spectro in response to complaints from Harley owners about the great but noisy new 6-speed transmission, this full synthetic provides ultimate lubrication protection. Formulated to significantly reduce gear noise and provide easier, smoother shifting, this SAE 75w140 formulation eases shifting even when cold. High loads and extreme heat do not affect the oil, so it performs well when pushed hard and long. API GL-5 rated.
