Lucas Primary Chain Case Oil - Harley & Indian V-Twin
About Lucas
Lucas Oil produces engine oils, additives and problem-solving lubricants used across powersports and racing, including V-twin specific oils and assembly products.
Lucas Primary Chain Case Oil is a mineral-based lubricant formulated specifically for V-twin motorcycle primary chain cases. It reduces clutch slippage, extends chain and sprocket life, and delivers cooler, quieter operation in high-performance applications.
Why riders pick this
- Reduces clutch slippage for smoother engagement
- Extends primary chain and sprocket service life
- Delivers cooler and quieter chain case operation
- Meets or exceeds all OEM primary fluid specifications
- Formulated for heavy-duty V-twin primary drives
For Harley-Davidson and Indian Motorcycle riders, the primary chain case is a critical component, and proper lubrication is key to its performance and longevity. Lucas Primary Chain Case Oil is engineered to meet the unique demands of V-twin primary drives. Its specialized formula helps to ensure smooth clutch engagement and protects the primary chain and sprockets from premature wear, even under heavy load.
Optimized Performance for Your Primary Drive
- Reduces clutch slippage for smoother, more consistent engagement
- Extends the service life of primary chains and sprockets
- Promotes cooler and quieter operation within the chain case
- Meets or exceeds all OEM specifications for V-twin primary lubrication
- Formulated for the demands of heavy-duty V-twin engines
Protect Your Primary, Enhance Your Ride
A well-maintained primary drive translates directly to a better riding experience. By choosing Lucas Primary Chain Case Oil, you're investing in the health of your motorcycle's crucial components. Riders will notice improved clutch feel and reduced noise, along with the peace of mind that comes from using a lubricant specifically designed for their V-twin. Always follow your motorcycle's service manual for recommended fluid change intervals.
Specifications
- Brand: Lucas
- Manufacturer Part #: 10790
- UPC: 049807107901
- Size: 1 quart
- Weight: 1.99 lbs
- Dimensions: 2.45 in L × 4.35 in W × 9 in H
Common questions
Is this the correct oil for my V-twin primary chain case?
Yes, Lucas Primary Chain Case Oil is specifically formulated for V-twin motorcycle primary chain cases, including Harley-Davidson and Indian Motorcycle models, and meets or exceeds all OEM specifications.
Will this oil help with clutch performance?
Yes, it is designed to reduce clutch slippage, which can lead to smoother and more consistent clutch engagement.
How often should I change my primary oil?
Always follow your motorcycle's service manual for recommended fluid change intervals. Most Harley and Indian riders adhere to the manufacturer's guidelines for primary oil changes.
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 | Lucas |
| TYPE | Chemicals |
| SKU | 58-5203 |
| WEIGHT | 1.99 lb |
