Maxima V-Twin 100% Synthetic Engine Oil is an ester based motorcycle oil engineered and approved to be used as a multi-compartment oil for H-D V-Twin engines, transmissions and primaries. Surface-active ester technology lowers operating temperatures, reduces wear, increases film strength and offers extended protection. Maxima V-Twin Transmission 80W90 Oil is a high-quality, mineral based motorcycle gear oil. Recommended for use in 4-, 5- and 6-speed high performance gear boxes. High film strength gear oil provides excellent protection against shock loads, viscosity loss and wear. Extreme pressure additives and surface active chemistry allow smooth shifting under peak loads and RPMs. Maxima V-Twin Primary Oil is a high-quality, mineral based motorcycle gear oil formulated for high-performance transmissions and primary chaincases. Robust formula resists mechanical shearing and heat breakdown of the oil. Ultra-clean detergents protect gears from wear, deposits and allow for trouble-free operation.