Heavy Duty Engine Oil. 20w50 1 Quart Bottle (946ml). Fits Big Twin 1984up. - Spectro Oils

* Spectro Heavy Duty Engine Oil is a superior motor lubricant designed specifically for use in American-made Harley V-Twin engines.

* Meets all known OEM warranty

* Exceeds A.P.I. SF/SG # CD/CG - 4.

* Replaces OEM # 62600023

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