Skip to content
Drag Specialties High-Performance Mineral Transmission Oil for Big Twins - 80W-9
- Recommended for use in 4-, 5- and 6-speed Harley-Davidson® Big Twin transmissions
- Formulated specifically for high-performance gear boxes
- Outstanding film strength provides excellent wear protection and durability
- Exceptional extreme pressure additive package
- Provides smooth shifting across all RPMs
- Made in the U.S.A.
- Choosing a selection results in a full page refresh.
- Press the space key then arrow keys to make a selection.
- Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device