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Cometic Twin Cam EST Complete Gasket Kit - Harley Twin Cam
About Cometic
Cometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.
This Cometic Twin Cam EST gasket kit is your go-to solution for a complete engine overhaul, supplying every gasket, seal, washer, and O-ring needed. Engineered with advanced materials like MLS head gaskets and Viton-coated base gaskets, it ensures reliable, leak-free performance for your Harley-Davidson Twin Cam.
Why riders pick this
- Complete overhaul kit for Twin Cam engines
- MLS head gaskets for robust sealing
- Viton-coated base gaskets for durability
- Blue Viton valve stem seals for oil control
- All necessary gaskets, seals, and o-rings included
When undertaking a complete engine overhaul on your Twin Cam, having a comprehensive and high-quality gasket set is non-negotiable. The Cometic Twin Cam EST gasket kit provides every component required for a full rebuild, from head gaskets to O-rings, ensuring no critical seal is overlooked. This attention to detail means you can proceed with your build knowing you have the right parts for a durable, leak-free outcome.
Advanced Sealing for Demanding V-Twins
- Multi-Layer Steel (MLS) head gaskets for superior sealing under pressure
- Steel Viton-coated base gaskets for enhanced durability and heat resistance
- Blue Viton valve stem seals for optimal oil control
- Utilizes AFM material components throughout the kit
- A complete overhaul kit, including all gaskets and seals
Ready for Your Next Twin Cam Project
Whether you're bringing a tired Twin Cam back to life or pushing for more performance, the integrity of your engine's seals is paramount. Cometic's EST technology, featuring premium materials, is designed to meet the rigorous demands of high-performance V-twin engines. This kit ensures that your engine rebuild is sealed properly, providing peace of mind and long-lasting reliability on the road.
Specifications
- Brand: Cometic
- Manufacturer Part #: C9951
- Length: 8.89 in
- Width: 7.4 in
- Height: 2.04 in
- Weight: 0.05 lbs
Common questions
What components are included in this Cometic Twin Cam EST gasket kit?
This kit is a complete engine overhaul set, including MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, washers, O-rings, and other AFM material components needed for a full Twin Cam rebuild.
Will this gasket kit fit my specific Twin Cam engine?
This kit is designed for Twin Cam EST models. Given the variations across Twin Cam generations, it's crucial to confirm your engine code and specific model using our Shop by Bike tool for precise compatibility.
Do I need to purchase any additional gaskets or seals separately with this kit?
No, this is a complete overhaul kit. It contains every gasket, seal, washer, and O-ring required for a full engine rebuild, so no additional purchases should be necessary.
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 | Cometic |
| TYPE | Gaskets/Seals |
| SKU | 68-9951 |
| WEIGHT | 0.05 lb |
I've been using cometic gaskets for a number of years. They never fail me they are a great gasket maker
Seems to be fine
Fit perfectly
Good
5 Stars