Everything from valve seals to muffler-brings. I had all the gaskets I needed. Great fit and a great seal. No leaks.
James Gaskets Quad Seal Tappet Gasket 25-Pack - Harley Evolution, Twin Cam, Sportster XL
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.
Ensure superior oil pressure retention in your Harley-Davidson V-twin with this 25-pack of James Gaskets quad seal tappet gaskets. Featuring an advanced quad-seal design, these gaskets are made in the U.S.A. for Evolution, Twin Cam, and Sportster XL engines.
Why riders pick this
- Quad-seal design for superior oil pressure
- Seals tappet bore at pushrod passage
- Made in the U.S.A. with advanced materials
- 25-pack for shops or multiple service needs
These James Gaskets tappet gaskets feature an innovative quad-seal design, specifically engineered to maintain optimal oil pressure within the pushrod gallery of your V-twin engine. This 25-pack offers a practical solution for professional mechanics and dedicated riders who demand reliable sealing during engine assembly or maintenance. Crafted in the U.S.A. with state-of-the-art materials, these gaskets provide a durable and effective seal for Evolution, Twin Cam, and Sportster XL engines.
Advanced Quad-Seal Design
- Quad-seal design for enhanced oil pressure retention
- Specifically seals the tappet bore at the pushrod passage
- Made in the U.S.A. with state-of-the-art materials
- Convenient 25-pack for shops or frequent maintenance
Critical for Engine Health
Maintaining proper oil pressure in the pushrod gallery is vital for the longevity and performance of your Harley-Davidson engine. The unique quad-seal design of these James Gaskets ensures a robust seal, preventing leaks and promoting consistent lubrication to critical valvetrain components. This makes them an indispensable component for any rebuild or service on your Evolution, Twin Cam, or Sportster XL motorcycle.
Specifications
- Brand: James Gaskets
- Manufacturer Part #: 11145-X
- Quantity: 25 per pack
- Length: 2.7 in
- Width: 4.1 in
- Height: 1.05 in
- Weight: 0.038 lbs
Common questions
What is the purpose of the quad-seal design?
The quad-seal design is engineered to provide a more robust seal at the tappet bore and pushrod passage, effectively maintaining oil pressure in that critical area and preventing leaks.
Will these gaskets work with my Harley-Davidson Sportster?
Yes, these tappet gaskets are designed to fit Harley-Davidson Sportster models equipped with Evolution (EVO), Twin Cam (TC), and XL engines.
Why is this sold as a 25-pack?
This 25-pack quantity is ideal for professional shops, riders with multiple bikes, or those who prefer to have spare gaskets on hand for routine maintenance or future engine 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 | 681-4471 |
| WEIGHT | 0.04 lb |
Evo gaskets
Everything you need for an engine rebuild.
Hope they are better than the original gasket set. What I used out of the kit fit.
one off the best gasket sets you can get.
Everything was a nice tight fit. Seems to be of good quality materials etc
Good stuff
James is one of the best. Use in all my work as long as I can get them