James Gaskets Big Twin Gasket Kit - TOP END EVO KIT 17040-92 — Harley-Davidson (1992-1999)
James Gaskets Big Twin Top End gasket kit for EVO-era V-twin engines, containing all seals needed for a complete top-end rebuild or refresh. Direct OEM-replacement specification gaskets designed to restore compression and eliminate leaks.
Features
- Complete top-end gasket set
- OEM-specification materials
- EVO Big Twin compatibility
Specifications
- Brand: James Gaskets
- Manufacturer Part #: 17040-92
- Length: 7.4 in
- Width: 9.3 in
- Height: 1.35 in
- Weight: 0.73 lbs
Fitment
Fits EVO-era Big Twin V-twin engines requiring a complete top-end gasket set.
Frequently Asked Questions
What gaskets are included in this kit?
This is a complete top-end set with all seals needed for cylinder head, rocker box, and related top-end components. See the parts diagram for the full list.
Will this fit my Twin Cam or Milwaukee-Eight engine?
No — this kit is for EVO-era Big Twin engines only. Twin Cam and M8 engines use different gasket specifications.
Do I need any gaskets beyond what's in this kit for a top-end rebuild?
This kit covers all top-end seals. You may need separate gaskets for the oil pan or other lower-end work depending on your rebuild scope.
Are these the same as factory Harley gaskets?
These are manufactured to OEM specifications as direct replacements for original Harley gaskets.
| BRAND | James Gaskets |
| TYPE | Gaskets/Seals |
| SKU | 681-4385 |
| WEIGHT | 0.73 lb |