JAMES GASKETS SKU: 681-5335

James Gaskets Evo Sportster Cylinder Base Gasket with Bead - Harley Evolution Sportster

$45.95
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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.

Ensure peak performance and prevent leaks on your Harley Evolution Sportster with this James Gaskets cylinder base gasket. Manufactured in the U.S.A., it utilizes modern materials and production methods to provide a secure seal for your V-twin engine. This gasket is engineered as a direct OEM replacement for your Sportster's cylinder base.

Why riders pick this

  • Fits Harley-Davidson Evolution Sportster engines
  • Incorporates a sealing bead for improved leak prevention
  • Made in the U.S.A. with advanced materials
  • Direct OEM replacement specification

When undertaking any engine work on your Harley Evolution Sportster, a high-quality cylinder base gasket is essential for a successful and leak-free outcome. This James Gaskets product is specifically designed for Evolution Sportster engines, offering a precise fit and superior sealing capabilities. Its robust construction helps maintain vital compression and prevents oil seepage, ensuring your engine performs as it should.

Reliable Sealing for Evolution V-Twins

  • Designed for Harley-Davidson Evolution Sportster engines
  • Features a sealing bead for enhanced leak prevention
  • Manufactured in the U.S.A. with modern materials
  • Direct OEM replacement specification for cylinder base

Foundation for a Solid Sportster Build

Every rebuild or major service on your Evolution Sportster requires components that you can trust. This James Gaskets cylinder base gasket provides that trust, ensuring a tight seal at one of the engine's most critical points. By choosing U.S.-made quality, you're investing in the longevity and reliability of your V-twin, letting you ride with confidence.

Specifications

  • Brand: James Gaskets
  • Manufacturer Part #: 16774-96
  • Length: 5.75 in
  • Width: 7.45 in
  • Height: 0.3 in
  • Weight: 0.08 lbs

Common questions

What specific engine does this gasket fit?

This gasket is designed for Harley-Davidson Sportster Evolution (Evo) V-twin engines. It's crucial to verify your engine type using our Shop by Bike tool before purchasing.

Is this an OEM Harley-Davidson gasket?

This is an aftermarket replacement gasket from James Gaskets, manufactured to meet or exceed OEM specifications. It provides equivalent sealing performance but is not a Harley-branded part.

Why should I replace gaskets during an engine teardown?

Replacing gaskets during any engine teardown or rebuild is vital to ensure a proper seal. Reusing old gaskets can lead to oil leaks, compression loss, and potential engine damage.

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
SKU681-5335
WEIGHT0.08 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
5★ 24
4★ 4
3★ 0
2★ 0
1★ 0
✓ VERIFIED
Mar 8, 2021

Better gaskets than oem never had a leak on any bike I've put them on!

— Anonymous
✓ VERIFIED
Oct 9, 2023

No surprise

Perfect. Exactly what i expected.

— Thomas A
✓ VERIFIED
Jan 18, 2023

Very good kit everything you need for topend build

— Anonymous
✓ VERIFIED
Oct 18, 2022

Perfect fit

— Anonymous
✓ 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

— Anonymous
✓ 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.

— Anonymous