Twin Power Big Twin Primary Chain Adjuster Lining — Replaces H-D 39976-65B

SKU: TWP492796
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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 TwinPower

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

Watch in action

Twin Power Primary Chain Adjuster Lining

Ensure your Big Twin's primary chain operates with precise tension using the Twin Power Primary Chain Adjuster Lining. This high-quality lining is designed to replace Harley-Davidson part number 39976-65B, offering a reliable solution for maintaining proper chain slack and preventing premature wear. Proper chain tension is crucial for the smooth operation and longevity of your motorcycle's drivetrain, reducing vibration and ensuring efficient power transfer.

Key Features & Benefits:

  • Direct Replacement: Engineered to perfectly fit and function as a replacement for H-D 39976-65B.
  • Durable Construction: Built with robust materials to withstand the demanding environment of your primary drive.
  • Optimized Performance: Helps maintain correct primary chain tension, reducing noise and wear.
  • Wide Fitment: Compatible with a range of Harley-Davidson Big Twin models from 1965 onwards, including various Electra Glide and Super Glide variants.
  • Easy Installation: Designed for straightforward installation, allowing you to get back on the road quickly.

This adjuster lining is an essential component for any rider looking to maintain the integrity of their Big Twin's primary drive system. Whether you're performing routine maintenance or addressing wear and tear, this Twin Power lining provides the quality and reliability you need. Keep your ride smooth and your components protected with this vital part.

Upgrade your primary drive with confidence. Get the Twin Power Primary Chain Adjuster Lining today from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-2000 Harley-Davidson FLHR Road King Base
1998-2000 Harley-Davidson FLHRCI Road King Classic Base
1996-1997 Harley-Davidson FLHRI Road King Base
2000 Harley-Davidson FLHRI Road King Base
1980-1984 Harley-Davidson FLHS Electra Glide Sport Base
1987-1993 Harley-Davidson FLHS Electra Glide Sport Base
1995-2000 Harley-Davidson FLHT Electra Glide Standard Base
1983-2000 Harley-Davidson FLHTC Electra Glide Classic Base
1996-2000 Harley-Davidson FLHTCI Electra Glide Classic Base
1989-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1995-2000 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
1988-2000 Harley-Davidson FLSTC Heritage Softail Classic Base
1990-2000 Harley-Davidson FLSTF Fat Boy Base
1994-1996 Harley-Davidson FLSTN Heritage Softail Special Base
1997-2000 Harley-Davidson FLSTS Heritage Springer Base
1980-1983 Harley-Davidson FLT Tour Glide Base
1996 Harley-Davidson FLTCUI Tour Glide Ultra Classic Base
1998-2000 Harley-Davidson FLTR Road Glide Base
1998-2000 Harley-Davidson FLTRI Road Glide Base
1971-1978 Harley-Davidson FX Super Glide Base
1980-1982 Harley-Davidson FXB Sturgis Base
1995-2000 Harley-Davidson FXD Dyna Super Glide Base
1983 Harley-Davidson FXDG Disc Glide Base
1993-2000 Harley-Davidson FXDL Dyna Low Rider Base
1994-2000 Harley-Davidson FXDS-Conv Dyna Convertible Base
1993-2000 Harley-Davidson FXDWG Dyna Wide Glide Base
1999-2000 Harley-Davidson FXDX Dyna Super Glide Sport Base
1974-1984 Harley-Davidson FXE Super Glide Base
1979-1985 Harley-Davidson FXEF Fat Bob Base
1987-1994 Harley-Davidson FXLR Low Rider Custom Base
1982-1994 Harley-Davidson FXR Super Glide II Base
1999 Harley-Davidson FXR2 Base
1999 Harley-Davidson FXR3 Base
2000 Harley-Davidson FXR4 Base
1985-1987 Harley-Davidson FXRC Low Rider Chrome Base
1986 Harley-Davidson FXRD Sport Glide Grand Touring Base
1984 Harley-Davidson FXRDG Disc Glide Base
1985-1995 Harley-Davidson FXRPF Police Base
1982-1992 Harley-Davidson FXRS Low Glide Base
1990-1994 Harley-Davidson FXRS-Conv Low Rider Sport Convertible Base
1983-1992 Harley-Davidson FXRT Sport Glide Base
1977-1982 Harley-Davidson FXS Low Rider Base
1983-1985 Harley-Davidson FXSB Low Rider - Belt Base
1984-2000 Harley-Davidson FXST Softail Standard Base
1999-2000 Harley-Davidson FXSTB Night Train Base
1986-1999 Harley-Davidson FXSTC Softail Custom Base
2000 Harley-Davidson FXSTD Softail Deuce Base
1988-2000 Harley-Davidson FXSTS Springer Softail Base
1995-1997 Harley-Davidson FXSTSB Bad Boy Base
1980-1986 Harley-Davidson FXWG Wide Glide Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About TwinPower

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

Watch in action

Twin Power Primary Chain Adjuster Lining

Ensure your Big Twin's primary chain operates with precise tension using the Twin Power Primary Chain Adjuster Lining. This high-quality lining is designed to replace Harley-Davidson part number 39976-65B, offering a reliable solution for maintaining proper chain slack and preventing premature wear. Proper chain tension is crucial for the smooth operation and longevity of your motorcycle's drivetrain, reducing vibration and ensuring efficient power transfer.

Key Features & Benefits:

  • Direct Replacement: Engineered to perfectly fit and function as a replacement for H-D 39976-65B.
  • Durable Construction: Built with robust materials to withstand the demanding environment of your primary drive.
  • Optimized Performance: Helps maintain correct primary chain tension, reducing noise and wear.
  • Wide Fitment: Compatible with a range of Harley-Davidson Big Twin models from 1965 onwards, including various Electra Glide and Super Glide variants.
  • Easy Installation: Designed for straightforward installation, allowing you to get back on the road quickly.

This adjuster lining is an essential component for any rider looking to maintain the integrity of their Big Twin's primary drive system. Whether you're performing routine maintenance or addressing wear and tear, this Twin Power lining provides the quality and reliability you need. Keep your ride smooth and your components protected with this vital part.

Upgrade your primary drive with confidence. Get the Twin Power Primary Chain Adjuster Lining today from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-2000 Harley-Davidson FLHR Road King Base
1998-2000 Harley-Davidson FLHRCI Road King Classic Base
1996-1997 Harley-Davidson FLHRI Road King Base
2000 Harley-Davidson FLHRI Road King Base
1980-1984 Harley-Davidson FLHS Electra Glide Sport Base
1987-1993 Harley-Davidson FLHS Electra Glide Sport Base
1995-2000 Harley-Davidson FLHT Electra Glide Standard Base
1983-2000 Harley-Davidson FLHTC Electra Glide Classic Base
1996-2000 Harley-Davidson FLHTCI Electra Glide Classic Base
1989-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1995-2000 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
1988-2000 Harley-Davidson FLSTC Heritage Softail Classic Base
1990-2000 Harley-Davidson FLSTF Fat Boy Base
1994-1996 Harley-Davidson FLSTN Heritage Softail Special Base
1997-2000 Harley-Davidson FLSTS Heritage Springer Base
1980-1983 Harley-Davidson FLT Tour Glide Base
1996 Harley-Davidson FLTCUI Tour Glide Ultra Classic Base
1998-2000 Harley-Davidson FLTR Road Glide Base
1998-2000 Harley-Davidson FLTRI Road Glide Base
1971-1978 Harley-Davidson FX Super Glide Base
1980-1982 Harley-Davidson FXB Sturgis Base
1995-2000 Harley-Davidson FXD Dyna Super Glide Base
1983 Harley-Davidson FXDG Disc Glide Base
1993-2000 Harley-Davidson FXDL Dyna Low Rider Base
1994-2000 Harley-Davidson FXDS-Conv Dyna Convertible Base
1993-2000 Harley-Davidson FXDWG Dyna Wide Glide Base
1999-2000 Harley-Davidson FXDX Dyna Super Glide Sport Base
1974-1984 Harley-Davidson FXE Super Glide Base
1979-1985 Harley-Davidson FXEF Fat Bob Base
1987-1994 Harley-Davidson FXLR Low Rider Custom Base
1982-1994 Harley-Davidson FXR Super Glide II Base
1999 Harley-Davidson FXR2 Base
1999 Harley-Davidson FXR3 Base
2000 Harley-Davidson FXR4 Base
1985-1987 Harley-Davidson FXRC Low Rider Chrome Base
1986 Harley-Davidson FXRD Sport Glide Grand Touring Base
1984 Harley-Davidson FXRDG Disc Glide Base
1985-1995 Harley-Davidson FXRPF Police Base
1982-1992 Harley-Davidson FXRS Low Glide Base
1990-1994 Harley-Davidson FXRS-Conv Low Rider Sport Convertible Base
1983-1992 Harley-Davidson FXRT Sport Glide Base
1977-1982 Harley-Davidson FXS Low Rider Base
1983-1985 Harley-Davidson FXSB Low Rider - Belt Base
1984-2000 Harley-Davidson FXST Softail Standard Base
1999-2000 Harley-Davidson FXSTB Night Train Base
1986-1999 Harley-Davidson FXSTC Softail Custom Base
2000 Harley-Davidson FXSTD Softail Deuce Base
1988-2000 Harley-Davidson FXSTS Springer Softail Base
1995-1997 Harley-Davidson FXSTSB Bad Boy Base
1980-1986 Harley-Davidson FXWG Wide Glide Base

Product Details

Product Description

About TwinPower

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

Watch in action

Twin Power Primary Chain Adjuster Lining

Ensure your Big Twin's primary chain operates with precise tension using the Twin Power Primary Chain Adjuster Lining. This high-quality lining is designed to replace Harley-Davidson part number 39976-65B, offering a reliable solution for maintaining proper chain slack and preventing premature wear. Proper chain tension is crucial for the smooth operation and longevity of your motorcycle's drivetrain, reducing vibration and ensuring efficient power transfer.

Key Features & Benefits:

  • Direct Replacement: Engineered to perfectly fit and function as a replacement for H-D 39976-65B.
  • Durable Construction: Built with robust materials to withstand the demanding environment of your primary drive.
  • Optimized Performance: Helps maintain correct primary chain tension, reducing noise and wear.
  • Wide Fitment: Compatible with a range of Harley-Davidson Big Twin models from 1965 onwards, including various Electra Glide and Super Glide variants.
  • Easy Installation: Designed for straightforward installation, allowing you to get back on the road quickly.

This adjuster lining is an essential component for any rider looking to maintain the integrity of their Big Twin's primary drive system. Whether you're performing routine maintenance or addressing wear and tear, this Twin Power lining provides the quality and reliability you need. Keep your ride smooth and your components protected with this vital part.

Upgrade your primary drive with confidence. Get the Twin Power Primary Chain Adjuster Lining today from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-2000 Harley-Davidson FLHR Road King Base
1998-2000 Harley-Davidson FLHRCI Road King Classic Base
1996-1997 Harley-Davidson FLHRI Road King Base
2000 Harley-Davidson FLHRI Road King Base
1980-1984 Harley-Davidson FLHS Electra Glide Sport Base
1987-1993 Harley-Davidson FLHS Electra Glide Sport Base
1995-2000 Harley-Davidson FLHT Electra Glide Standard Base
1983-2000 Harley-Davidson FLHTC Electra Glide Classic Base
1996-2000 Harley-Davidson FLHTCI Electra Glide Classic Base
1989-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1995-2000 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
1988-2000 Harley-Davidson FLSTC Heritage Softail Classic Base
1990-2000 Harley-Davidson FLSTF Fat Boy Base
1994-1996 Harley-Davidson FLSTN Heritage Softail Special Base
1997-2000 Harley-Davidson FLSTS Heritage Springer Base
1980-1983 Harley-Davidson FLT Tour Glide Base
1996 Harley-Davidson FLTCUI Tour Glide Ultra Classic Base
1998-2000 Harley-Davidson FLTR Road Glide Base
1998-2000 Harley-Davidson FLTRI Road Glide Base
1971-1978 Harley-Davidson FX Super Glide Base
1980-1982 Harley-Davidson FXB Sturgis Base
1995-2000 Harley-Davidson FXD Dyna Super Glide Base
1983 Harley-Davidson FXDG Disc Glide Base
1993-2000 Harley-Davidson FXDL Dyna Low Rider Base
1994-2000 Harley-Davidson FXDS-Conv Dyna Convertible Base
1993-2000 Harley-Davidson FXDWG Dyna Wide Glide Base
1999-2000 Harley-Davidson FXDX Dyna Super Glide Sport Base
1974-1984 Harley-Davidson FXE Super Glide Base
1979-1985 Harley-Davidson FXEF Fat Bob Base
1987-1994 Harley-Davidson FXLR Low Rider Custom Base
1982-1994 Harley-Davidson FXR Super Glide II Base
1999 Harley-Davidson FXR2 Base
1999 Harley-Davidson FXR3 Base
2000 Harley-Davidson FXR4 Base
1985-1987 Harley-Davidson FXRC Low Rider Chrome Base
1986 Harley-Davidson FXRD Sport Glide Grand Touring Base
1984 Harley-Davidson FXRDG Disc Glide Base
1985-1995 Harley-Davidson FXRPF Police Base
1982-1992 Harley-Davidson FXRS Low Glide Base
1990-1994 Harley-Davidson FXRS-Conv Low Rider Sport Convertible Base
1983-1992 Harley-Davidson FXRT Sport Glide Base
1977-1982 Harley-Davidson FXS Low Rider Base
1983-1985 Harley-Davidson FXSB Low Rider - Belt Base
1984-2000 Harley-Davidson FXST Softail Standard Base
1999-2000 Harley-Davidson FXSTB Night Train Base
1986-1999 Harley-Davidson FXSTC Softail Custom Base
2000 Harley-Davidson FXSTD Softail Deuce Base
1988-2000 Harley-Davidson FXSTS Springer Softail Base
1995-1997 Harley-Davidson FXSTSB Bad Boy Base
1980-1986 Harley-Davidson FXWG Wide Glide Base

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