COMETIC - C10128-040 - Complete Gasket Kit - 110" Big Bore - '07-'17 Twin Cam
The COMETIC C10128-040 is a complete motor gasket kit for 2007–2017 Harley-Davidson models with a 110" big bore (4.000"), featuring Multi-Layer Steel head gaskets, Steel Viton-coated base gaskets, blue Viton valve stem seals, and aluminum foam material race-style exhaust gaskets for a comprehensive top and bottom-end rebuild — made in the USA.
Features
- Every gasket in these kits uses the best materials possible for its intended application
- Multi-Layer Steel (MLS) head gaskets
- Steel Viton®-coated base gaskets
- Blue Viton® valve stem seals
- Aluminum Foam Material (AFM) race-style exhaust gaskets
- Made in the USA
Specs
- Material: Steel
- Type: Motor
- Bore Size: 4.000"
- Thickness: 1.02 mm
- Thickness: 0.040"
- Units: Kit
- Features: -
- Product Name: Gasket Kit
- Riding Style: Street
- Material: AFM (Aluminum Foam Material)
Frequently Asked Questions - COMETIC - C10128-040 - Complete Gasket Kit - 110" Big Bore - '07-'17 Twin Cam
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
