A superior motor lubricant designed specifically for use in American-made Harley-Davidson 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. Exceeds All known OEM and Harley-Davidson warranty requirements.
A superior motor lubricant designed specifically for use in American-made Harley-Davidson V-Twin engines. Crafted from superior petroleum stocks combined with the most advanced anti-wear, anti-carbon additive systems availab...
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