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James Gaskets Big Twin Top End with Cork Rocker Gaskets Kit - Harley Evolution
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.
For Evolution engine owners, this James Gaskets Big Twin top-end gasket kit offers a complete sealing solution for your V-twin's upper assembly. It includes all seals needed for a comprehensive top-end rebuild, featuring traditional cork rocker box gaskets. Designed as a direct OEM-specification replacement, this kit ensures your Harley Evolution Big Twin motor maintains a reliable and leak-free top end.
Why riders pick this
- Complete top-end seal kit for Evolution Big Twin
- Features traditional cork rocker box gaskets
- All gaskets needed for top-end rebuild
- Direct OEM replacement specification
- Ensures a reliable and leak-free top end
This James Gaskets Big Twin top-end gasket kit is specifically tailored for Evolution engines, providing a complete set of seals for a full top-end rebuild. The kit features classic cork rocker box gaskets, known for their sealing properties in many traditional Harley-Davidson applications. Every gasket and seal in this kit is manufactured to direct OEM-specification replacement standards, ensuring a precise fit and dependable performance for your Evolution Big Twin motor.
Classic Cork Rocker Box Sealing
- Complete top-end gasket kit for Evolution Big Twin engines
- Includes traditional cork rocker box gaskets
- All seals needed for a full top-end rebuild
- Direct OEM replacement specification for reliable fitment
Maintaining Your EVO with Confidence
When performing a top-end rebuild on your Evolution Big Twin, using a complete and high-quality gasket kit is paramount. This James Gaskets offering provides everything required to seal your engine's top end effectively, including the trusted performance of cork rocker box gaskets. It's an ideal choice for riders who appreciate traditional sealing methods and seek to restore their V-twin's top-end integrity. Always consult your Harley-Davidson service manual for the correct installation procedures and torque specifications.
Specifications
- Brand: James Gaskets
- Manufacturer Part #: 17033-83
- Weight: 0.53 lbs
Common questions
What specific gaskets are included in this kit?
This kit includes cork rocker box gaskets plus all other top-end seals needed for a complete Evolution Big Twin top-end rebuild, covering cylinder heads and related components.
Will this kit fit my Twin Cam or Milwaukee-Eight engine?
No, this James Gaskets kit is specific to Evolution Big Twin engines only. Twin Cam and Milwaukee-Eight powerplants require different part numbers. Please confirm your engine type with Shop by Bike.
Is this a complete top-end kit, or do I need additional gaskets?
This is a complete top-end gasket kit, providing everything needed for a top-end rebuild on Evolution Big Twins. For lower engine components, separate gaskets may be required.
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 | 681-4388 |
| WEIGHT | 0.53 lb |
Has everything I needed. James gaskets always seal up great. Used no gasket sealers.
Nice Set of Gaskets
have used james gaskets for years,as usual no problems
James gaskets never miss. Order now.
Very good quality. Works great.