✓ VERIFIED
Mar 8, 2021
Better gaskets than oem never had a leak on any bike I've put them on!
JAMES GASKETS
SKU: 681-4415
James Gaskets Big Twin Transmission Sprocket Gasket Kit - Harley FLT FXR Softail Dyna
$27.95
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About James Gaskets
James Gaskets has supplied American V-twin gaskets, seals and O-rings for decades and is one of the most widely stocked names for Harley-Davidson engine, primary and transmission rebuilds. When a service manual calls for a specific gasket, James almost always has an exact-fit answer.
When you're working on your Big Twin's transmission sprocket, proper sealing is critical to prevent leaks and maintain performance. This James Gaskets kit provides all the necessary gaskets and seals for a secure and leak-free installation. It's designed to ensure a precise fit for a range of Harley-Davidson platforms.
Why riders pick this
- Complete transmission sprocket gasket set
- Includes all seals for transmission case
- OEM-equivalent sealing performance
- Fits Big Twin FLT, FXR, Softail, and Dyna
This comprehensive gasket and seal set from James Gaskets is engineered to provide reliable sealing for your transmission case during sprocket replacement or rebuild work. Each component is manufactured to OEM specifications, ensuring that you get dependable performance and a tight seal where it matters most on your V-twin.
Essential Sealing for Transmission Sprocket Service
- Complete gasket and seal set for transmission sprocket installations
- Ensures proper sealing of the transmission case
- Manufactured to OEM-equivalent sealing performance standards
- Designed for Big Twin FLT, FXR, Softail, and Dyna platforms
Maintaining Your Big Twin's Drivetrain
Replacing or servicing your transmission sprocket is a key part of maintaining your motorcycle's drivetrain. Using a dedicated gasket kit like this one ensures that all critical sealing surfaces are addressed, preventing potential fluid leaks and protecting internal components. Always refer to your service manual for detailed installation procedures to ensure a successful job on your Harley-Davidson.
Specifications
- Brand: James Gaskets
- Manufacturer Part #: 12050-K
- Length: 5.75 in
- Width: 7.45 in
- Height: 0.65 in
- Weight: 0.207 lbs
Common questions
What specific gaskets are included in this kit?
This kit includes all the seals and gaskets necessary for proper transmission case sealing during a sprocket replacement or rebuild, matching the components found in OEM Harley kits.
Will this gasket kit fit my Twin Cam Softail?
Yes, this kit is compatible with Softail models featuring Big Twin engines, which includes both Twin Cam and earlier generation platforms, for transmission sprocket installations.
Do I need additional seals for a complete sprocket service?
This kit is designed to provide all the necessary seals and gaskets for the transmission case specifically related to sprocket replacement or rebuild work.
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 | James Gaskets |
| TYPE | Gaskets/Seals |
| SKU | 681-4415 |
| WEIGHT | 0.21 lb |
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.86
28 RATINGS
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✓ VERIFIED
Oct 9, 2023
No surprise
Perfect. Exactly what i expected.
✓ VERIFIED
Jan 18, 2023
Very good kit everything you need for topend build
✓ VERIFIED
Oct 18, 2022
Perfect fit
✓ VERIFIED
Mar 5, 2022
looks like all the gaskets i need to rebuild my top end are in the kit right now im tearing down and prepping
✓ VERIFIED
Feb 1, 2022
First time doing top end rebuild. Pleased with the quality- everything was there so hopefully they do what they are supposed to. Pleased with the purchase.
