Motor Oil for Harley-Davidson 20W50 Spectro Heavy Duty 1Q

Spectro R.HD25 Heavy Duty Engine Oil Mineral 1Q (946 ml) is a superior engine lubricant specifically designed for use in American-made Harley V-Twin engines.
Made from premium petroleum feedstocks combined with the most advanced anti-wear and anti-carbon additive systems available, Spectro Heavy Duty extends component life, reduces wear, and eliminates valve sticking.
Meets all known OEM warranty requirements.
Exceeds API SF/SG – CD/CG – 4 requirements.
Made in the USA