Red Line Full Synthetic V-Twin Transmission Oil with ShockProof

This product dampens transmission noise (reducing the notorious shifting clunk found in these gearboxes), dramatically reduces temperature, provides thicker oil films between gear teeth and resists throw-off For all aftermarket versions like Baker, JIMS, S&S, etc. For all H-D® trans including with Milwaukee-Eight engines, Evolution engines, Twin Cam engines and latest 6-speed Cruise Drive Same fluid as our unique Heavy ShockProof® Gear Oil