Maxima's V-Twin Synthetic Blend is a blend of ester-based synthetic and petroleum base stocks featuring advanced technology. This special high temperature formula protects critical engine components, reduces wear, friction, temperature, oil consumption and extends drain intervals. The use of new anti-shear additives assures viscosity stability for V-Twin engines. This formula also has extra anti-scuff additives to handle extreme loads and peak temperatures. Maxima Sportster Gear & Chaincase Oil is a high-quality, mineral based motorcycle gear oil formulated for high-performance transmissions and primary chaincases. Recommended for use in 1971 and newer XR and XL H-D motorcycles where transmission and primary chaincase share a common lubricant. Extreme pressure additives and surface active chemistry protect against shock loads and allow smooth shifting under peak loads and RPMs. Robust formula resists mechanical shearing and heat breakdown of the oil. Ultra-clean detergents protect gears from wear, deposits and allow for trouble-free Oil Filters are constructed using the worlds highest quality materials available, with test results proving a 28% longer service life than OE and leading competitor brands. Fits: Harley Davidson XL/XLH883 Sportster All 1986-2015, XL/XLH1200 Sportster All 1988-2015.