MAXIMA Full-Synthetic V-Twin Engine Oil. OIL TYPE: 100% Synthetic. Full synthetic, ester-fortified 4-stroke engine oil. Shear stable, ester-fortified formula maintains oil viscosity and film thickness.
7100 4T 20W-50 Full Synthetic Motorcycle Oil for V-Twin Harley Davidson Engines, Ester Technology for Smooth Shifting, JASO MA2 Wet Clutch Compatible, API SP Certified 4 L. 7100 20W50 100% SYN 4-LITER (1041 104104. ).