Excellent set
Excellent set for the price, easy to install, very durable products. I would recommend this set 10/10
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.
These James Gaskets Twin Cam head and base gaskets, with a .045 inch thickness, are designed for Harley-Davidson Twin Cam engines. Manufactured in the U.S.A. with modern materials, they provide an OEM-equivalent seal for your engine's top end.
When rebuilding or servicing your Harley-Davidson Twin Cam engine, a reliable head and base gasket is paramount for maintaining compression and preventing oil leaks. These James Gaskets are made in the U.S.A. using state-of-the-art materials and production methods, ensuring an OEM-equivalent fit and seal. The .045 inch thickness is a standard for many Twin Cam applications, providing confidence in your engine build.
Whether you're performing a routine top-end refresh or a performance-oriented build, the quality of your gaskets directly impacts engine longevity and performance. These James Gaskets head and base gaskets offer the peace of mind that comes from using a trusted, American-made component. Ensure your Road King, Street Glide, or Softail Fat Boy receives the best possible seal for its Twin Cam engine.
What specific engine does this gasket fit?
This gasket is designed for Harley-Davidson Twin Cam engines. It will not fit Milwaukee-Eight (M8) or Evolution engines, so please verify your engine type before ordering.
Is this a genuine OEM Harley-Davidson gasket?
No, James Gaskets manufactures this to OEM specifications as a high-quality aftermarket direct replacement, often at a more accessible cost than genuine Harley-Davidson parts.
What is the thickness of this gasket?
This head and base gasket has a thickness of .045 inches, which is a common and standard thickness for many Twin Cam engine applications.
| BRAND | James Gaskets |
| TYPE | Gaskets/Seals |
| SKU | 681-4143 |
| WEIGHT | 0.15 lb |
Excellent set for the price, easy to install, very durable products. I would recommend this set 10/10
Breaking engine in right now and everything is holding tight. Very pleased
Great gasket set, includes everything you need to reseal top end.
Quality parts in a timely manner
Fit like it should, super quick shipping
Gasket set seems to be of good quality. Everything fit just like oem gaskets and seals but made better lol. So far so good, Everything is nice a dry now.