Schaeffer's Extreme Performance Full Synthetic SAE 75W-140 Gear Lube

• multi-grade,
• highly shear stable, 
• thermally stable 
• durable
• extreme pressure

Full synthetic gear lubricant that is specially formulated for use in V-Twin transmissions and high performance differentials.

Here are some real reviews from real customers:

Amazing product in my HD Twin Cam 6-speed. Jeremy M.

Best oil on the market. This is top shelf oil, I run it in all my diffs. Freddie H.