JAMES GASKETS SKU: 681-4143

James Gaskets Twin Cam Head/Base Gasket .045" - Harley Twin Cam

$112.000,00
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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.

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.

Why riders pick this

  • Standard .045 inch thickness for Twin Cam
  • Made in the U.S.A. with modern materials
  • OEM-equivalent quality for a reliable seal
  • Essential for Twin Cam engine rebuilds and services

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.

Precision Sealing for Twin Cam Engines

  • Standard .045 inch thickness for Twin Cam applications
  • Manufactured in the U.S.A. with advanced materials
  • OEM-equivalent specification for reliable fitment
  • Crucial for maintaining engine compression and preventing leaks

Build Your Twin Cam with Confidence

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.

Specifications

  • Brand: James Gaskets
  • Manufacturer Part #: 16787-99
  • Thickness: 0.045 in
  • Length: 5.65 in
  • Width: 7 in
  • Weight: 0.152 lbs
  • Country of Origin: U.S.A.

Common questions

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.

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.
BRANDJames Gaskets
TYPEGaskets/Seals
SKU681-4143
WEIGHT0.15 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
5
14 RATINGS
5★ 14
4★ 0
3★ 0
2★ 0
1★ 0
✓ VERIFIED
Oct 1, 2023

Excellent set

Excellent set for the price, easy to install, very durable products. I would recommend this set 10/10

— Eric S
✓ VERIFIED
Sep 11, 2023

Good quality

Breaking engine in right now and everything is holding tight. Very pleased

— Hawk R
✓ VERIFIED
Aug 28, 2023

Gasket set

Great gasket set, includes everything you need to reseal top end.

— James N
✓ VERIFIED
Jul 31, 2021

Quality parts in a timely manner

— Anonymous
✓ VERIFIED
Mar 29, 2021

Fit like it should, super quick shipping

— Anonymous
✓ VERIFIED
Mar 21, 2021

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.

— Anonymous