V-Twin Synthetic Primary Oil - 1 US quart Rear Tires All-New next generation backing plate

All-New next generation backing plate design

Strong fiberglass pans with plated hardware ensure a perfect fit for a trouble-free install

250 lb spring rate is 75-77% stiffer than stock

Reduce engine vibration by up to 50% and road impacts by up to 92%

V-Twin Synthetic Primary Oil - 1 US quart Rear Tires All-New next generation backing plateV Twin Synthetic Primary Oil 1 US quart A high quality, full synthetic ester based motorcycle gear oil formulated for high performance transmissions and primary chain cases Designed for use in all 84 and newer H D models with wet diaphragm spring clutches 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