S&S Cycle TD Head Bolt Kit 3/8-16 x 3.384in x .950in

SKU: SSC93-3030
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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 S&S Cycle

S&S Cycle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full S&S Cycle lineup with fast shipping and expert fitment support — order with confidence.

S&S Cycle TD Head Bolt Kit - 3/8-16 x 3.384in x .950in

Equip your Big Twin engine with the robust S&S Cycle TD Head Bolt Kit, featuring bolts with a 3/8-16 thread size, a substantial 3.384-inch length, and a .950-inch shoulder diameter. This kit provides all the necessary high-quality head bolts for a secure and reliable cylinder head installation, ensuring optimal engine performance and longevity. S&S Cycle is synonymous with premium motorcycle engine components, and this kit upholds that reputation.

Kit Features:

  • Thread Specification: 3/8-16 ensures a strong and secure connection.
  • Extended Length: 3.384 inches accommodates specific Big Twin engine configurations.
  • Shoulder Diameter: .950 inches for precise alignment and sealing.
  • TD Design: Engineered for S&S Cycle performance applications.
  • Complete Kit: Includes all required head bolts for a hassle-free installation.
  • Vehicle Fitment: Designed for a wide range of Harley-Davidson Big Twin models from 1985 onwards.

Properly torqued head bolts are fundamental to the structural integrity and sealing capabilities of your engine. This S&S Cycle kit provides the precision and strength needed to ensure your cylinder heads are securely fastened, preventing leaks and maximizing compression. It's an essential component for any engine rebuild, performance upgrade, or major service on compatible Harley-Davidson motorcycles.

Choose S&S Cycle for unparalleled quality and performance in engine hardware. Ensure your Big Twin build is secured with the best. Find this TD Head Bolt Kit and more performance parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-2017 Harley-Davidson FLHR Road King Base
2007-2017 Harley-Davidson FLHRC Road King Classic Base
1998-2006 Harley-Davidson FLHRCI Road King Classic Base
1996-1997 Harley-Davidson FLHRI Road King Base
2000-2006 Harley-Davidson FLHRI Road King Base
2004-2007 Harley-Davidson FLHRS Road King Custom Base
1987-1993 Harley-Davidson FLHS Electra Glide Sport 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
1985-2005 Harley-Davidson FLHTC Electra Glide Classic Base
2007-2013 Harley-Davidson FLHTC Electra Glide Classic Base
1996-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
1989-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
2007-2017 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1995-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2009-2013 Harley-Davidson FLHTCUTG Tri Glide Ultra Classic Base
2015-2017 Harley-Davidson FLHTKL Ultra Limited Low Base
2014-2017 Harley-Davidson FLHTKSE CVO Limited Base
2006-2017 Harley-Davidson FLHX Street Glide Base
2014-2017 Harley-Davidson FLHXS Street Glide Special Base
2010-2012 Harley-Davidson FLHXSE CVO Street Glide Base
2015-2017 Harley-Davidson FLHXSE CVO Street Glide Base
2010-2011 Harley-Davidson FLHXXX Street Glide Trike Base
2015-2017 Harley-Davidson FLRT Freewheeler Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
2006 Harley-Davidson FLST Heritage Softail Base
1988-2017 Harley-Davidson FLSTC Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTCI Heritage Softail Classic Base
1990-2017 Harley-Davidson FLSTF Fat Boy Base
2010-2017 Harley-Davidson FLSTFB Fat Boy Lo Base
2001-2006 Harley-Davidson FLSTFI Fat Boy Base
1994-1996 Harley-Davidson FLSTN Heritage Softail Special Base
2008-2011 Harley-Davidson FLSTSB Cross Bones Base
2010-2012 Harley-Davidson FLSTSE CVO Softail Convertible Base
1998-2013 Harley-Davidson FLTR Road Glide Base
2015-2016 Harley-Davidson FLTR Road Glide Base
1998-2006 Harley-Davidson FLTRI Road Glide Base
2011-2017 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
2015-2017 Harley-Davidson FLTRX Road Glide Base
2010-2013 Harley-Davidson FLTRX Road Glide Custom Base
2015-2017 Harley-Davidson FLTRXS Road Glide Special Base
2012 Harley-Davidson FLTRXSE CVO Road Glide Custom Base
2008-2009 Harley-Davidson FXCW Rocker Base
2008-2011 Harley-Davidson FXCWC Rocker C Base
1995-2013 Harley-Davidson FXD Dyna Super Glide Base
1993-2005 Harley-Davidson FXDL Dyna Low Rider Base
2007-2017 Harley-Davidson FXDL Dyna Low Rider Base
2004-2006 Harley-Davidson FXDLI Dyna Low Rider Base
1993-2017 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
1987-1994 Harley-Davidson FXLR Low Rider Custom Base
1999 Harley-Davidson FXR2 Base
1999 Harley-Davidson FXR3 Base
1985-1992 Harley-Davidson FXRS Low Glide Base
1985-1992 Harley-Davidson FXRT Sport Glide Base

…and 17 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About S&S Cycle

S&S Cycle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full S&S Cycle lineup with fast shipping and expert fitment support — order with confidence.

S&S Cycle TD Head Bolt Kit - 3/8-16 x 3.384in x .950in

Equip your Big Twin engine with the robust S&S Cycle TD Head Bolt Kit, featuring bolts with a 3/8-16 thread size, a substantial 3.384-inch length, and a .950-inch shoulder diameter. This kit provides all the necessary high-quality head bolts for a secure and reliable cylinder head installation, ensuring optimal engine performance and longevity. S&S Cycle is synonymous with premium motorcycle engine components, and this kit upholds that reputation.

Kit Features:

  • Thread Specification: 3/8-16 ensures a strong and secure connection.
  • Extended Length: 3.384 inches accommodates specific Big Twin engine configurations.
  • Shoulder Diameter: .950 inches for precise alignment and sealing.
  • TD Design: Engineered for S&S Cycle performance applications.
  • Complete Kit: Includes all required head bolts for a hassle-free installation.
  • Vehicle Fitment: Designed for a wide range of Harley-Davidson Big Twin models from 1985 onwards.

Properly torqued head bolts are fundamental to the structural integrity and sealing capabilities of your engine. This S&S Cycle kit provides the precision and strength needed to ensure your cylinder heads are securely fastened, preventing leaks and maximizing compression. It's an essential component for any engine rebuild, performance upgrade, or major service on compatible Harley-Davidson motorcycles.

Choose S&S Cycle for unparalleled quality and performance in engine hardware. Ensure your Big Twin build is secured with the best. Find this TD Head Bolt Kit and more performance parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-2017 Harley-Davidson FLHR Road King Base
2007-2017 Harley-Davidson FLHRC Road King Classic Base
1998-2006 Harley-Davidson FLHRCI Road King Classic Base
1996-1997 Harley-Davidson FLHRI Road King Base
2000-2006 Harley-Davidson FLHRI Road King Base
2004-2007 Harley-Davidson FLHRS Road King Custom Base
1987-1993 Harley-Davidson FLHS Electra Glide Sport 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
1985-2005 Harley-Davidson FLHTC Electra Glide Classic Base
2007-2013 Harley-Davidson FLHTC Electra Glide Classic Base
1996-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
1989-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
2007-2017 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1995-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2009-2013 Harley-Davidson FLHTCUTG Tri Glide Ultra Classic Base
2015-2017 Harley-Davidson FLHTKL Ultra Limited Low Base
2014-2017 Harley-Davidson FLHTKSE CVO Limited Base
2006-2017 Harley-Davidson FLHX Street Glide Base
2014-2017 Harley-Davidson FLHXS Street Glide Special Base
2010-2012 Harley-Davidson FLHXSE CVO Street Glide Base
2015-2017 Harley-Davidson FLHXSE CVO Street Glide Base
2010-2011 Harley-Davidson FLHXXX Street Glide Trike Base
2015-2017 Harley-Davidson FLRT Freewheeler Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
2006 Harley-Davidson FLST Heritage Softail Base
1988-2017 Harley-Davidson FLSTC Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTCI Heritage Softail Classic Base
1990-2017 Harley-Davidson FLSTF Fat Boy Base
2010-2017 Harley-Davidson FLSTFB Fat Boy Lo Base
2001-2006 Harley-Davidson FLSTFI Fat Boy Base
1994-1996 Harley-Davidson FLSTN Heritage Softail Special Base
2008-2011 Harley-Davidson FLSTSB Cross Bones Base
2010-2012 Harley-Davidson FLSTSE CVO Softail Convertible Base
1998-2013 Harley-Davidson FLTR Road Glide Base
2015-2016 Harley-Davidson FLTR Road Glide Base
1998-2006 Harley-Davidson FLTRI Road Glide Base
2011-2017 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
2015-2017 Harley-Davidson FLTRX Road Glide Base
2010-2013 Harley-Davidson FLTRX Road Glide Custom Base
2015-2017 Harley-Davidson FLTRXS Road Glide Special Base
2012 Harley-Davidson FLTRXSE CVO Road Glide Custom Base
2008-2009 Harley-Davidson FXCW Rocker Base
2008-2011 Harley-Davidson FXCWC Rocker C Base
1995-2013 Harley-Davidson FXD Dyna Super Glide Base
1993-2005 Harley-Davidson FXDL Dyna Low Rider Base
2007-2017 Harley-Davidson FXDL Dyna Low Rider Base
2004-2006 Harley-Davidson FXDLI Dyna Low Rider Base
1993-2017 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
1987-1994 Harley-Davidson FXLR Low Rider Custom Base
1999 Harley-Davidson FXR2 Base
1999 Harley-Davidson FXR3 Base
1985-1992 Harley-Davidson FXRS Low Glide Base
1985-1992 Harley-Davidson FXRT Sport Glide Base

…and 17 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About S&S Cycle

S&S Cycle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full S&S Cycle lineup with fast shipping and expert fitment support — order with confidence.

S&S Cycle TD Head Bolt Kit - 3/8-16 x 3.384in x .950in

Equip your Big Twin engine with the robust S&S Cycle TD Head Bolt Kit, featuring bolts with a 3/8-16 thread size, a substantial 3.384-inch length, and a .950-inch shoulder diameter. This kit provides all the necessary high-quality head bolts for a secure and reliable cylinder head installation, ensuring optimal engine performance and longevity. S&S Cycle is synonymous with premium motorcycle engine components, and this kit upholds that reputation.

Kit Features:

  • Thread Specification: 3/8-16 ensures a strong and secure connection.
  • Extended Length: 3.384 inches accommodates specific Big Twin engine configurations.
  • Shoulder Diameter: .950 inches for precise alignment and sealing.
  • TD Design: Engineered for S&S Cycle performance applications.
  • Complete Kit: Includes all required head bolts for a hassle-free installation.
  • Vehicle Fitment: Designed for a wide range of Harley-Davidson Big Twin models from 1985 onwards.

Properly torqued head bolts are fundamental to the structural integrity and sealing capabilities of your engine. This S&S Cycle kit provides the precision and strength needed to ensure your cylinder heads are securely fastened, preventing leaks and maximizing compression. It's an essential component for any engine rebuild, performance upgrade, or major service on compatible Harley-Davidson motorcycles.

Choose S&S Cycle for unparalleled quality and performance in engine hardware. Ensure your Big Twin build is secured with the best. Find this TD Head Bolt Kit and more performance parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-2017 Harley-Davidson FLHR Road King Base
2007-2017 Harley-Davidson FLHRC Road King Classic Base
1998-2006 Harley-Davidson FLHRCI Road King Classic Base
1996-1997 Harley-Davidson FLHRI Road King Base
2000-2006 Harley-Davidson FLHRI Road King Base
2004-2007 Harley-Davidson FLHRS Road King Custom Base
1987-1993 Harley-Davidson FLHS Electra Glide Sport 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
1985-2005 Harley-Davidson FLHTC Electra Glide Classic Base
2007-2013 Harley-Davidson FLHTC Electra Glide Classic Base
1996-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
1989-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
2007-2017 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1995-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2009-2013 Harley-Davidson FLHTCUTG Tri Glide Ultra Classic Base
2015-2017 Harley-Davidson FLHTKL Ultra Limited Low Base
2014-2017 Harley-Davidson FLHTKSE CVO Limited Base
2006-2017 Harley-Davidson FLHX Street Glide Base
2014-2017 Harley-Davidson FLHXS Street Glide Special Base
2010-2012 Harley-Davidson FLHXSE CVO Street Glide Base
2015-2017 Harley-Davidson FLHXSE CVO Street Glide Base
2010-2011 Harley-Davidson FLHXXX Street Glide Trike Base
2015-2017 Harley-Davidson FLRT Freewheeler Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
2006 Harley-Davidson FLST Heritage Softail Base
1988-2017 Harley-Davidson FLSTC Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTCI Heritage Softail Classic Base
1990-2017 Harley-Davidson FLSTF Fat Boy Base
2010-2017 Harley-Davidson FLSTFB Fat Boy Lo Base
2001-2006 Harley-Davidson FLSTFI Fat Boy Base
1994-1996 Harley-Davidson FLSTN Heritage Softail Special Base
2008-2011 Harley-Davidson FLSTSB Cross Bones Base
2010-2012 Harley-Davidson FLSTSE CVO Softail Convertible Base
1998-2013 Harley-Davidson FLTR Road Glide Base
2015-2016 Harley-Davidson FLTR Road Glide Base
1998-2006 Harley-Davidson FLTRI Road Glide Base
2011-2017 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
2015-2017 Harley-Davidson FLTRX Road Glide Base
2010-2013 Harley-Davidson FLTRX Road Glide Custom Base
2015-2017 Harley-Davidson FLTRXS Road Glide Special Base
2012 Harley-Davidson FLTRXSE CVO Road Glide Custom Base
2008-2009 Harley-Davidson FXCW Rocker Base
2008-2011 Harley-Davidson FXCWC Rocker C Base
1995-2013 Harley-Davidson FXD Dyna Super Glide Base
1993-2005 Harley-Davidson FXDL Dyna Low Rider Base
2007-2017 Harley-Davidson FXDL Dyna Low Rider Base
2004-2006 Harley-Davidson FXDLI Dyna Low Rider Base
1993-2017 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
1987-1994 Harley-Davidson FXLR Low Rider Custom Base
1999 Harley-Davidson FXR2 Base
1999 Harley-Davidson FXR3 Base
1985-1992 Harley-Davidson FXRS Low Glide Base
1985-1992 Harley-Davidson FXRT Sport Glide Base

…and 17 additional fitments. Contact us to confirm yours.

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