Spectro Premium Heavy Duty 85W140 Gear Guard Oil - Harley & Indian V-Twin
About Spectro
Spectro parts and accessories are stocked at Vtwinbikers for Harley-Davidson and Indian Motorcycle applications. Every Spectro item we list is new and sourced through authorized distribution. If you are not certain a part matches your year and model, use Shop by Bike or email our team before you order and we will confirm fitment first.
Spectro Premium Heavy Duty Gear Guard Oil is a synthetic 85W140 gear oil developed for V-twin motorcycle transmissions. This robust lubricant is engineered to reduce wear, prevent rust and oxidation, and extend gear life, ensuring your drivetrain remains in top condition.
Why riders pick this
- Formulated for V-twin motorcycle transmissions
- Prevents rust, corrosion, oxidation, and gear pitting
- Reduces foaming and drag for smoother shifts
- Extends gear life through reduced wear and friction
- Exceeds manufacturer warranty requirements
The transmission in your Harley-Davidson or Indian Motorcycle faces intense stress, heat, and friction. Spectro Premium Heavy Duty Gear Guard Oil is formulated to meet these challenges head-on, providing a protective barrier for your gears. Its advanced synthetic properties minimize foaming and drag, leading to smoother shifts and enhanced durability for all internal components.
Rugged Protection for Your Transmission
- Formulated specifically for motorcycle transmissions
- Actively prevents rust, corrosion, oxidation, and gear pitting
- Reduces foaming and drag for a noticeably smoother shifting experience
- Extends gear life through superior wear and friction reduction
- Meets or exceeds all major manufacturer warranty requirements
Longer Life for Your Gears
Choosing Spectro Premium Heavy Duty Gear Guard Oil is a proactive step in preserving the life of your V-twin's transmission. Its 85W140 viscosity and synthetic composition make it an ideal choice for riders who demand reliable protection in various riding conditions. Always refer to your bike's service manual for specific fluid requirements and recommended change intervals to ensure optimal performance.
Specifications
- Brand: Spectro
- Manufacturer Part #: 310313
- UPC: 831556000608
- Viscosity: 85W140
- Size: 1 quart
- Weight: 2.08 lbs
- Dimensions: 4 in L × 2 in W × 8.75 in H
Common questions
What viscosity is this gear oil?
This is an 85W140 viscosity gear oil, a heavy-duty synthetic designed for V-twin transmissions in various riding conditions.
Will using this oil void my motorcycle's warranty?
No, Spectro Premium Heavy Duty Gear Guard Oil exceeds all major manufacturer warranty requirements, so its use will not void your warranty.
Is this oil suitable for both Harley-Davidson and Indian Motorcycle transmissions?
Yes, this gear oil is formulated for all V-twin motorcycle transmissions, including those found in Harley-Davidson and Indian Motorcycle models.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Spectro |
| TYPE | Chemicals |
| SKU | 582-05031 |
| WEIGHT | 2.08 lb |