High output high-performance engines, such as the Indian Thunderstroke 111 and 116 engines (20w40 grade), are the target of Spectro's specially formulated Golden 4 semi-synthetic motor lubricant. Incorporating a blend of the world's leading IV synthetic base oils and superior quality petroleum base oils, with the most advanced anti-wear additive system available for motorcycles. Exceeds all known motorcycle manufacturer's warranty requirements.
Exceptionally high anti-wear additive treatment reduces wear
Extends component life
Tremendous lubrication protection in extreme heat conditions
Provides lower consumption rate
Exceptional off-season protection of internal parts