Spectro Heavy Duty Engine Oil is a superior motor lubricant designed specifically for use in American-made Harley® 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. Meets all known OEM warranty requirements. Exceeds A.P.I. SF/SG – CD/CG - 4.
Spectro Performance Oils has been a trusted, top quality brand in the motorcycle industry since its inception in 1966. It all started with the famous Golden Spectro! This 2-Stroke Motorcycle Premix Concentrate solved most of the smoking and plug fouling issues experienced by just about every 2-stroke motorcycle. Golden Spectro was just the beginning. Fast forward to today, Spectro Performance Oils offers oils, lubes and fluids for almost every powersports vehicle on the market. Spectro's product line up includes engine oils, transmission oils, suspension fluids, brake fluids, coolants, cleaners and more. When looking for maximum protection for your motorcycle or powersports vehicle, look no further than Spectro Performance Oils.
Runs COOL. Runs QUIET. Shifts SMOOTH.