Cometic C9970 04-06 Harley-Davidson 1200 Sportster Head Gasket Kit

SKU: CGSC9970
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Cometic Gasket

Cometic Gasket is the world leader in custom multi-layer steel head gaskets for performance and motorsport engines. From off-the-shelf MLS for popular platforms to bespoke gaskets for race-only builds, Cometic seals everything from Honda B-series to LSX.

Cometic C9970 Head Gasket Kit for Harley-Davidson 1200 Sportster (2004-2006)

Upgrade your 2004-2006 Harley-Davidson 1200 Sportster with the Cometic C9970 Head Gasket Kit, featuring a high-performance .040" Multi-Layer Steel (MLS) head gasket. This kit is engineered to handle the increased demands of modern engines, including higher horsepower, greater cylinder pressures, and elevated temperatures. Cometic Gasket is dedicated to providing innovative and reliable solutions for V-twin enthusiasts.

Performance and Durability Features:

  • MLS Head Gasket: The Multi-Layer Steel construction offers superior sealing, resistance to blowouts, and excellent conformability to cylinder head surfaces, even under extreme conditions.
  • Optimized Bore Size: Designed with a .040" thickness for precise compression and performance tuning.
  • Application Specific: Tailored for 2004-2006 Harley-Davidson 1200 Sportster models (XL1200C Custom, XL1200R Roadster, XL1200L Low), ensuring a perfect fit.
  • USA Made Quality: Manufactured in the USA with premium materials, guaranteeing durability and consistent performance for your ride.
  • Complete Top End Sealing: This kit includes essential gaskets for a complete top-end seal, ensuring optimal engine function.

Ensure your Sportster's engine performs at its peak with gaskets designed for power and longevity. Cometic's commitment to quality means you can trust these parts for both routine maintenance and performance builds. Experience superior sealing and enhanced engine reliability with GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2005 Harley-Davidson XL1200C Sportster 1200 Custom Base
2006 Harley-Davidson XL1200L Sportster 1200 Low Base
2004-2006 Harley-Davidson XL1200R Sportster 1200 Roadster Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About Cometic Gasket

Cometic Gasket is the world leader in custom multi-layer steel head gaskets for performance and motorsport engines. From off-the-shelf MLS for popular platforms to bespoke gaskets for race-only builds, Cometic seals everything from Honda B-series to LSX.

Cometic C9970 Head Gasket Kit for Harley-Davidson 1200 Sportster (2004-2006)

Upgrade your 2004-2006 Harley-Davidson 1200 Sportster with the Cometic C9970 Head Gasket Kit, featuring a high-performance .040" Multi-Layer Steel (MLS) head gasket. This kit is engineered to handle the increased demands of modern engines, including higher horsepower, greater cylinder pressures, and elevated temperatures. Cometic Gasket is dedicated to providing innovative and reliable solutions for V-twin enthusiasts.

Performance and Durability Features:

  • MLS Head Gasket: The Multi-Layer Steel construction offers superior sealing, resistance to blowouts, and excellent conformability to cylinder head surfaces, even under extreme conditions.
  • Optimized Bore Size: Designed with a .040" thickness for precise compression and performance tuning.
  • Application Specific: Tailored for 2004-2006 Harley-Davidson 1200 Sportster models (XL1200C Custom, XL1200R Roadster, XL1200L Low), ensuring a perfect fit.
  • USA Made Quality: Manufactured in the USA with premium materials, guaranteeing durability and consistent performance for your ride.
  • Complete Top End Sealing: This kit includes essential gaskets for a complete top-end seal, ensuring optimal engine function.

Ensure your Sportster's engine performs at its peak with gaskets designed for power and longevity. Cometic's commitment to quality means you can trust these parts for both routine maintenance and performance builds. Experience superior sealing and enhanced engine reliability with GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2005 Harley-Davidson XL1200C Sportster 1200 Custom Base
2006 Harley-Davidson XL1200L Sportster 1200 Low Base
2004-2006 Harley-Davidson XL1200R Sportster 1200 Roadster Base

Product Details

Product Description

About Cometic Gasket

Cometic Gasket is the world leader in custom multi-layer steel head gaskets for performance and motorsport engines. From off-the-shelf MLS for popular platforms to bespoke gaskets for race-only builds, Cometic seals everything from Honda B-series to LSX.

Cometic C9970 Head Gasket Kit for Harley-Davidson 1200 Sportster (2004-2006)

Upgrade your 2004-2006 Harley-Davidson 1200 Sportster with the Cometic C9970 Head Gasket Kit, featuring a high-performance .040" Multi-Layer Steel (MLS) head gasket. This kit is engineered to handle the increased demands of modern engines, including higher horsepower, greater cylinder pressures, and elevated temperatures. Cometic Gasket is dedicated to providing innovative and reliable solutions for V-twin enthusiasts.

Performance and Durability Features:

  • MLS Head Gasket: The Multi-Layer Steel construction offers superior sealing, resistance to blowouts, and excellent conformability to cylinder head surfaces, even under extreme conditions.
  • Optimized Bore Size: Designed with a .040" thickness for precise compression and performance tuning.
  • Application Specific: Tailored for 2004-2006 Harley-Davidson 1200 Sportster models (XL1200C Custom, XL1200R Roadster, XL1200L Low), ensuring a perfect fit.
  • USA Made Quality: Manufactured in the USA with premium materials, guaranteeing durability and consistent performance for your ride.
  • Complete Top End Sealing: This kit includes essential gaskets for a complete top-end seal, ensuring optimal engine function.

Ensure your Sportster's engine performs at its peak with gaskets designed for power and longevity. Cometic's commitment to quality means you can trust these parts for both routine maintenance and performance builds. Experience superior sealing and enhanced engine reliability with GGCRACING.

Vehicle Fitment

Years Make Model Trim
2004-2005 Harley-Davidson XL1200C Sportster 1200 Custom Base
2006 Harley-Davidson XL1200L Sportster 1200 Low Base
2004-2006 Harley-Davidson XL1200R Sportster 1200 Roadster Base

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