Everything from valve seals to muffler-brings. I had all the gaskets I needed. Great fit and a great seal. No leaks.
James Gaskets O-Ring 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.
Upgrade your V-twin's sealing with this 25-pack of James Gaskets O-ring tappet gaskets. Designed for Evolution, Twin Cam, and Sportster XL engines, these OEM-spec seals provide a critical barrier against oil seepage.
Why riders pick this
- O-ring seal for tappet-to-pushrod interface
- OEM-spec for precise fit and performance
- 25-pack for shops or multi-bike owners
- Fits Evolution, Twin Cam, and Sportster XL engines
These James Gaskets tappet gaskets feature an integrated O-ring seal, providing enhanced protection against oil leaks at the tappet-to-pushrod interface. Sold in a convenient 25-pack, they are ideal for shops, multi-bike owners, or riders who perform frequent maintenance on their Harley-Davidson V-twin. Manufactured in the U.S.A. to genuine OEM specifications, you can trust these gaskets for a precise fit and lasting performance on your Evolution, Twin Cam, or Sportster XL engine.
Superior Sealing for Critical Areas
- Integrated O-ring seal at the tappet-to-pushrod interface
- OEM-specification ensures a direct and accurate fit
- Bulk 25-pack for professional use or multiple service intervals
- Made in the U.S.A. for consistent quality and durability
Maintain Your V-Twin's Integrity
The tappet-to-pushrod area is a common point for oil seepage if not properly sealed. These James Gaskets O-ring tappet gaskets are specifically designed to address this, helping to maintain optimal oil pressure and keep your engine clean. Whether you're refreshing an Evolution, rebuilding a Twin Cam, or servicing a Sportster XL, these gaskets are an essential component for reliable, leak-free operation.
Specifications
- Brand: James Gaskets
- Manufacturer Part #: 11145
- Quantity: 25 per pack
- Length: 3.95 in
- Width: 4 in
- Height: 0.65 in
- Weight: 0.04 lbs
Common questions
How many gaskets are included in each pack?
Each pack contains 25 individual tappet gaskets with O-rings, providing ample supply for multiple services or shop use.
Will this gasket fit my Harley Sportster?
Yes, this tappet gasket is specifically designed for Harley-Davidson Sportster models equipped with Evolution (EVO), Twin Cam (TC), or XL engines.
What is the benefit of the O-ring design?
The integrated O-ring seal at the tappet-to-pushrod interface provides an extra layer of protection, specifically designed to prevent oil seepage from this critical area.
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 | 681-4470 |
| 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