SAE 75w140 Full Synthetic Heavy Duty Gear Oil for V-Twin Motorcycles.

Top of the line, fully synthetic lubricant formulated specifically to run in Harley-Davidson Big-Twin transmissions. Spectro combines the leading synthetic PAO base oils with the most advanced additive package available today, to deliver maximum performance right through high loads and extreme heat. Heavy Duty Platinum Gear Oil reduces drag, friction losses, wear, and extends gear life. It also provides exceptional temperature stability for easier, smoother shifting. API GL-1 rated.

• Exceptionally high anti-wear additive treatment reduces wear
• Extends component life
• Easier, smoother shifting
• Reduces drag at all temperatures
• Quiets noisy transmission
• Dyed green
• API GL-1 rated