Cometic Head Gasket for Harley-Davidson 1550 Twin Cam (3.875in Bore, .060in Thick) — Head Gaskets

SKU: CGSC9135
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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 Head Gasket for Harley-Davidson 1550 Twin Cam Engines

Enhance the performance and reliability of your Harley-Davidson 1550 Twin Cam engine with this premium head gasket from Cometic. Engineered with precision, this gasket features a 3.875-inch bore and a 0.060-inch thickness, specifically designed to provide a superior seal for increased compression and power.

Engineered for Performance:

  • Exact Fitment: Designed for Harley-Davidson 1550 Twin Cam engines, ensuring a perfect seal.
  • Optimized Bore Size: 3.875-inch bore accommodates larger displacement configurations.
  • Precise Thickness: 0.060-inch thickness is ideal for achieving desired compression ratios.
  • Superior Sealing: Cometic's advanced materials and construction prevent leaks under extreme pressure and temperature.
  • Durable Construction: Built to withstand the rigors of high-performance V-twin operation.

Cometic Gasket is renowned for its commitment to quality and innovation in sealing solutions. Each gasket is manufactured in the USA using materials sourced domestically, reflecting a dedication to American craftsmanship. This head gasket is crucial for maintaining engine integrity, preventing combustion leaks, and ensuring optimal power delivery. Whether you are performing a routine maintenance or building a high-performance engine, this Cometic gasket offers the reliability and performance you need. Upgrade your Harley-Davidson's engine with a gasket designed to handle increased demands.

Ensure your Twin Cam engine performs at its peak with this top-tier Cometic head gasket. Purchase yours today at GGCRACING!

Vehicle Fitment

Years Make Model Trim
1999-2016 Harley-Davidson FLHR Road King Base
2007-2013 Harley-Davidson FLHRC Road King Classic Base
1999-2006 Harley-Davidson FLHRCI Road King Classic Base
2000-2006 Harley-Davidson FLHRI Road King Base
2004-2007 Harley-Davidson FLHRS Road King Custom Base
1999-2000 Harley-Davidson FLHT Electra Glide Standard Base
2003 Harley-Davidson FLHT Electra Glide Standard Base
2006-2009 Harley-Davidson FLHT Electra Glide Standard Base
1999-2005 Harley-Davidson FLHTC Electra Glide Classic Base
2007-2013 Harley-Davidson FLHTC Electra Glide Classic Base
1999-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
2015-2016 Harley-Davidson FLHTKL Ultra Limited Low Base
2014-2016 Harley-Davidson FLHTKSE CVO Limited Base
2006-2016 Harley-Davidson FLHX Street Glide Base
2014-2016 Harley-Davidson FLHXS Street Glide Special Base
2010 Harley-Davidson FLHXSE CVO Street Glide Base
2015-2016 Harley-Davidson FLHXSE CVO Street Glide Base
2012-2016 Harley-Davidson FLS Softail Slim Base
2016 Harley-Davidson FLSS Softail Slim S Base
2006 Harley-Davidson FLST Heritage Softail Base
1999-2016 Harley-Davidson FLSTC Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTCI Heritage Softail Classic Base
1999-2016 Harley-Davidson FLSTF Fat Boy Base
2010-2016 Harley-Davidson FLSTFB Fat Boy Lo Base
2016 Harley-Davidson FLSTFBS Fat Boy S Base
2001-2006 Harley-Davidson FLSTFI Fat Boy Base
2008-2011 Harley-Davidson FLSTSB Cross Bones Base
2010 Harley-Davidson FLSTSE CVO Softail Convertible Base
1999-2010 Harley-Davidson FLTR Road Glide Base
2016 Harley-Davidson FLTR Road Glide Base
1999-2006 Harley-Davidson FLTRI Road Glide Base
2011-2013 Harley-Davidson FLTRU Road Glide Ultra Base
2016 Harley-Davidson FLTRU Road Glide Ultra Base
2011 Harley-Davidson FLTRUSE CVO Road Glide Ultra Base
2015-2016 Harley-Davidson FLTRUSE CVO Road Glide Ultra Base
2010-2013 Harley-Davidson FLTRX Road Glide Custom Base
2015-2016 Harley-Davidson FLTRXS Road Glide Special Base
2012 Harley-Davidson FLTRXSE CVO Road Glide Custom Base
1999-2010 Harley-Davidson FXD Dyna Super Glide Base
1999-2005 Harley-Davidson FXDL Dyna Low Rider Base
2007-2009 Harley-Davidson FXDL Dyna Low Rider Base
2014-2016 Harley-Davidson FXDL Dyna Low Rider Base
2004-2006 Harley-Davidson FXDLI Dyna Low Rider Base
1999-2008 Harley-Davidson FXDWG Dyna Wide Glide Base
2010-2016 Harley-Davidson FXDWG Dyna Wide Glide Base
2004-2006 Harley-Davidson FXDWGI Dyna Wide Glide Base
1999-2005 Harley-Davidson FXDX Dyna Super Glide Sport Base
2001-2003 Harley-Davidson FXDXT Dyna Super Glide T-Sport Base
1999-2009 Harley-Davidson FXSTB Night Train Base
2001-2006 Harley-Davidson FXSTBI Night Train Base
1999 Harley-Davidson FXSTC Softail Custom Base
2007-2010 Harley-Davidson FXSTC Softail Custom Base
2000-2007 Harley-Davidson FXSTD Softail Deuce Base
2001-2006 Harley-Davidson FXSTDI Softail Deuce Base
2003-2004 Harley-Davidson FXSTDSE Screamin Eagle Softail Deuce Base
2001-2006 Harley-Davidson FXSTI Softail Standard Base
1999-2006 Harley-Davidson FXSTS Springer Softail Base
2001-2006 Harley-Davidson FXSTSI Springer Softail Base
2007 Harley-Davidson FXSTSSE Screamin Eagle Softail Springer Base
2009 Harley-Davidson FXSTSSE3 CVO Softail Springer 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 Head Gasket for Harley-Davidson 1550 Twin Cam Engines

Enhance the performance and reliability of your Harley-Davidson 1550 Twin Cam engine with this premium head gasket from Cometic. Engineered with precision, this gasket features a 3.875-inch bore and a 0.060-inch thickness, specifically designed to provide a superior seal for increased compression and power.

Engineered for Performance:

  • Exact Fitment: Designed for Harley-Davidson 1550 Twin Cam engines, ensuring a perfect seal.
  • Optimized Bore Size: 3.875-inch bore accommodates larger displacement configurations.
  • Precise Thickness: 0.060-inch thickness is ideal for achieving desired compression ratios.
  • Superior Sealing: Cometic's advanced materials and construction prevent leaks under extreme pressure and temperature.
  • Durable Construction: Built to withstand the rigors of high-performance V-twin operation.

Cometic Gasket is renowned for its commitment to quality and innovation in sealing solutions. Each gasket is manufactured in the USA using materials sourced domestically, reflecting a dedication to American craftsmanship. This head gasket is crucial for maintaining engine integrity, preventing combustion leaks, and ensuring optimal power delivery. Whether you are performing a routine maintenance or building a high-performance engine, this Cometic gasket offers the reliability and performance you need. Upgrade your Harley-Davidson's engine with a gasket designed to handle increased demands.

Ensure your Twin Cam engine performs at its peak with this top-tier Cometic head gasket. Purchase yours today at GGCRACING!

Vehicle Fitment

Years Make Model Trim
1999-2016 Harley-Davidson FLHR Road King Base
2007-2013 Harley-Davidson FLHRC Road King Classic Base
1999-2006 Harley-Davidson FLHRCI Road King Classic Base
2000-2006 Harley-Davidson FLHRI Road King Base
2004-2007 Harley-Davidson FLHRS Road King Custom Base
1999-2000 Harley-Davidson FLHT Electra Glide Standard Base
2003 Harley-Davidson FLHT Electra Glide Standard Base
2006-2009 Harley-Davidson FLHT Electra Glide Standard Base
1999-2005 Harley-Davidson FLHTC Electra Glide Classic Base
2007-2013 Harley-Davidson FLHTC Electra Glide Classic Base
1999-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
2015-2016 Harley-Davidson FLHTKL Ultra Limited Low Base
2014-2016 Harley-Davidson FLHTKSE CVO Limited Base
2006-2016 Harley-Davidson FLHX Street Glide Base
2014-2016 Harley-Davidson FLHXS Street Glide Special Base
2010 Harley-Davidson FLHXSE CVO Street Glide Base
2015-2016 Harley-Davidson FLHXSE CVO Street Glide Base
2012-2016 Harley-Davidson FLS Softail Slim Base
2016 Harley-Davidson FLSS Softail Slim S Base
2006 Harley-Davidson FLST Heritage Softail Base
1999-2016 Harley-Davidson FLSTC Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTCI Heritage Softail Classic Base
1999-2016 Harley-Davidson FLSTF Fat Boy Base
2010-2016 Harley-Davidson FLSTFB Fat Boy Lo Base
2016 Harley-Davidson FLSTFBS Fat Boy S Base
2001-2006 Harley-Davidson FLSTFI Fat Boy Base
2008-2011 Harley-Davidson FLSTSB Cross Bones Base
2010 Harley-Davidson FLSTSE CVO Softail Convertible Base
1999-2010 Harley-Davidson FLTR Road Glide Base
2016 Harley-Davidson FLTR Road Glide Base
1999-2006 Harley-Davidson FLTRI Road Glide Base
2011-2013 Harley-Davidson FLTRU Road Glide Ultra Base
2016 Harley-Davidson FLTRU Road Glide Ultra Base
2011 Harley-Davidson FLTRUSE CVO Road Glide Ultra Base
2015-2016 Harley-Davidson FLTRUSE CVO Road Glide Ultra Base
2010-2013 Harley-Davidson FLTRX Road Glide Custom Base
2015-2016 Harley-Davidson FLTRXS Road Glide Special Base
2012 Harley-Davidson FLTRXSE CVO Road Glide Custom Base
1999-2010 Harley-Davidson FXD Dyna Super Glide Base
1999-2005 Harley-Davidson FXDL Dyna Low Rider Base
2007-2009 Harley-Davidson FXDL Dyna Low Rider Base
2014-2016 Harley-Davidson FXDL Dyna Low Rider Base
2004-2006 Harley-Davidson FXDLI Dyna Low Rider Base
1999-2008 Harley-Davidson FXDWG Dyna Wide Glide Base
2010-2016 Harley-Davidson FXDWG Dyna Wide Glide Base
2004-2006 Harley-Davidson FXDWGI Dyna Wide Glide Base
1999-2005 Harley-Davidson FXDX Dyna Super Glide Sport Base
2001-2003 Harley-Davidson FXDXT Dyna Super Glide T-Sport Base
1999-2009 Harley-Davidson FXSTB Night Train Base
2001-2006 Harley-Davidson FXSTBI Night Train Base
1999 Harley-Davidson FXSTC Softail Custom Base
2007-2010 Harley-Davidson FXSTC Softail Custom Base
2000-2007 Harley-Davidson FXSTD Softail Deuce Base
2001-2006 Harley-Davidson FXSTDI Softail Deuce Base
2003-2004 Harley-Davidson FXSTDSE Screamin Eagle Softail Deuce Base
2001-2006 Harley-Davidson FXSTI Softail Standard Base
1999-2006 Harley-Davidson FXSTS Springer Softail Base
2001-2006 Harley-Davidson FXSTSI Springer Softail Base
2007 Harley-Davidson FXSTSSE Screamin Eagle Softail Springer Base
2009 Harley-Davidson FXSTSSE3 CVO Softail Springer 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 Head Gasket for Harley-Davidson 1550 Twin Cam Engines

Enhance the performance and reliability of your Harley-Davidson 1550 Twin Cam engine with this premium head gasket from Cometic. Engineered with precision, this gasket features a 3.875-inch bore and a 0.060-inch thickness, specifically designed to provide a superior seal for increased compression and power.

Engineered for Performance:

  • Exact Fitment: Designed for Harley-Davidson 1550 Twin Cam engines, ensuring a perfect seal.
  • Optimized Bore Size: 3.875-inch bore accommodates larger displacement configurations.
  • Precise Thickness: 0.060-inch thickness is ideal for achieving desired compression ratios.
  • Superior Sealing: Cometic's advanced materials and construction prevent leaks under extreme pressure and temperature.
  • Durable Construction: Built to withstand the rigors of high-performance V-twin operation.

Cometic Gasket is renowned for its commitment to quality and innovation in sealing solutions. Each gasket is manufactured in the USA using materials sourced domestically, reflecting a dedication to American craftsmanship. This head gasket is crucial for maintaining engine integrity, preventing combustion leaks, and ensuring optimal power delivery. Whether you are performing a routine maintenance or building a high-performance engine, this Cometic gasket offers the reliability and performance you need. Upgrade your Harley-Davidson's engine with a gasket designed to handle increased demands.

Ensure your Twin Cam engine performs at its peak with this top-tier Cometic head gasket. Purchase yours today at GGCRACING!

Vehicle Fitment

Years Make Model Trim
1999-2016 Harley-Davidson FLHR Road King Base
2007-2013 Harley-Davidson FLHRC Road King Classic Base
1999-2006 Harley-Davidson FLHRCI Road King Classic Base
2000-2006 Harley-Davidson FLHRI Road King Base
2004-2007 Harley-Davidson FLHRS Road King Custom Base
1999-2000 Harley-Davidson FLHT Electra Glide Standard Base
2003 Harley-Davidson FLHT Electra Glide Standard Base
2006-2009 Harley-Davidson FLHT Electra Glide Standard Base
1999-2005 Harley-Davidson FLHTC Electra Glide Classic Base
2007-2013 Harley-Davidson FLHTC Electra Glide Classic Base
1999-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
2015-2016 Harley-Davidson FLHTKL Ultra Limited Low Base
2014-2016 Harley-Davidson FLHTKSE CVO Limited Base
2006-2016 Harley-Davidson FLHX Street Glide Base
2014-2016 Harley-Davidson FLHXS Street Glide Special Base
2010 Harley-Davidson FLHXSE CVO Street Glide Base
2015-2016 Harley-Davidson FLHXSE CVO Street Glide Base
2012-2016 Harley-Davidson FLS Softail Slim Base
2016 Harley-Davidson FLSS Softail Slim S Base
2006 Harley-Davidson FLST Heritage Softail Base
1999-2016 Harley-Davidson FLSTC Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTCI Heritage Softail Classic Base
1999-2016 Harley-Davidson FLSTF Fat Boy Base
2010-2016 Harley-Davidson FLSTFB Fat Boy Lo Base
2016 Harley-Davidson FLSTFBS Fat Boy S Base
2001-2006 Harley-Davidson FLSTFI Fat Boy Base
2008-2011 Harley-Davidson FLSTSB Cross Bones Base
2010 Harley-Davidson FLSTSE CVO Softail Convertible Base
1999-2010 Harley-Davidson FLTR Road Glide Base
2016 Harley-Davidson FLTR Road Glide Base
1999-2006 Harley-Davidson FLTRI Road Glide Base
2011-2013 Harley-Davidson FLTRU Road Glide Ultra Base
2016 Harley-Davidson FLTRU Road Glide Ultra Base
2011 Harley-Davidson FLTRUSE CVO Road Glide Ultra Base
2015-2016 Harley-Davidson FLTRUSE CVO Road Glide Ultra Base
2010-2013 Harley-Davidson FLTRX Road Glide Custom Base
2015-2016 Harley-Davidson FLTRXS Road Glide Special Base
2012 Harley-Davidson FLTRXSE CVO Road Glide Custom Base
1999-2010 Harley-Davidson FXD Dyna Super Glide Base
1999-2005 Harley-Davidson FXDL Dyna Low Rider Base
2007-2009 Harley-Davidson FXDL Dyna Low Rider Base
2014-2016 Harley-Davidson FXDL Dyna Low Rider Base
2004-2006 Harley-Davidson FXDLI Dyna Low Rider Base
1999-2008 Harley-Davidson FXDWG Dyna Wide Glide Base
2010-2016 Harley-Davidson FXDWG Dyna Wide Glide Base
2004-2006 Harley-Davidson FXDWGI Dyna Wide Glide Base
1999-2005 Harley-Davidson FXDX Dyna Super Glide Sport Base
2001-2003 Harley-Davidson FXDXT Dyna Super Glide T-Sport Base
1999-2009 Harley-Davidson FXSTB Night Train Base
2001-2006 Harley-Davidson FXSTBI Night Train Base
1999 Harley-Davidson FXSTC Softail Custom Base
2007-2010 Harley-Davidson FXSTC Softail Custom Base
2000-2007 Harley-Davidson FXSTD Softail Deuce Base
2001-2006 Harley-Davidson FXSTDI Softail Deuce Base
2003-2004 Harley-Davidson FXSTDSE Screamin Eagle Softail Deuce Base
2001-2006 Harley-Davidson FXSTI Softail Standard Base
1999-2006 Harley-Davidson FXSTS Springer Softail Base
2001-2006 Harley-Davidson FXSTSI Springer Softail Base
2007 Harley-Davidson FXSTSSE Screamin Eagle Softail Springer Base
2009 Harley-Davidson FXSTSSE3 CVO Softail Springer Base

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