Cometic .030" Head Gasket 2-Pack - 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.
Upgrade your Twin Cam top-end with Cometic .030" Head Gaskets, sold in a convenient 2-pack. These gaskets are engineered to provide a robust and consistent seal for modern high-performance V-twin applications. Critical for any top-end service or engine rebuild, they ensure reliable compression and prevent leaks.
Why riders pick this
- 0.030" compressed thickness for Twin Cam engines
- Engineered for modern high-performance V-twin applications
- 2-pack covers both cylinder heads for a complete job
- Ensures reliable compression and leak prevention
- Direct fit for Harley-Davidson Twin Cam
When building or refreshing a Twin Cam engine, the head gasket is a critical component that can make or break your performance and reliability. This Cometic .030" Head Gasket 2-pack is designed to deliver a superior seal for your Twin Cam V-twin. Built with advanced materials, these gaskets handle the heat and pressure of high-performance riding, ensuring your engine holds compression where it counts.
Precision Sealing for Twin Cam Performance
- Engineered with a .030" compressed thickness for optimal Twin Cam sealing
- Designed for modern high-performance V-twin engine applications
- Convenient 2-pack covers both cylinder heads for a complete top-end job
- Ensures reliable compression and prevents leaks under demanding conditions
The Foundation of a Strong Top-End
Whether you're doing a cam swap, a full top-end rebuild, or simply addressing a leak, replacing your head gaskets with quality components is paramount. These Cometic gaskets are tailored specifically for Twin Cam engines, providing a precise fit and reliable seal that performance riders demand. Always replace head gaskets when tearing down your top-end to guarantee peak engine integrity.
Specifications
- Brand: Cometic
- Manufacturer Part #: C9721
- UPC: 191070018085
- Quantity: 2 per pack
- Thickness: 0.030"
- Length: 7 in
- Width: 6 in
- Height: 0.45 in
- Weight: 0.08 lbs
Common questions
Is this head gasket compatible with Milwaukee-Eight engines?
No, this Cometic head gasket is specifically designed for Twin Cam engines only. Milwaukee-Eight (M8) engines require a different Cometic part number. Please verify fitment for your specific model.
Why are these head gaskets sold in a 2-pack?
Twin Cam engines have two cylinder heads, so a 2-pack provides both gaskets needed for a complete top-end overhaul or rebuild on one engine.
What is the thickness of this head gasket?
This Cometic head gasket has a compressed thickness of 0.030 inches, which is matched to Twin Cam head specifications for optimal sealing.
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 | 68-9721F |
| WEIGHT | 0.08 lb |
