TwinPower Swingarm Isolator — Fits 86-08 Harley-Davidson FLH/FLT/FXR

SKU: TWP410211
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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

TwinPower Swingarm Isolator for Harley-Davidson Big Twins

Experience a noticeable improvement in ride comfort and stability with the TwinPower Swingarm Isolator, specifically designed for 1986-2008 Harley-Davidson FLH, FLT, and FXR models. This essential component fits between the swingarm pivot block and the transmission, effectively dampening vibrations and road harshness. It's the perfect upgrade for any rider looking to enhance their motorcycle's handling and reduce fatigue on longer journeys.

Key Benefits & Fitment:

  • Enhanced Comfort: Significantly reduces vibration transfer to the rider for a smoother, more comfortable ride.
  • Improved Stability: Contributes to better handling and a more planted feel on the road.
  • Direct Replacement: Replaces Harley-Davidson part number 47564-86B, ensuring a precise fit.
  • Broad Application: Ideal for FLHT, FXR, and rubber mount frame applications using FLHT or FXR transmissions and swingarms.
  • Durable Construction: Built to withstand the rigors of daily riding and varying road conditions.

This isolator is crucial for maintaining the integrity of your motorcycle's chassis and drivetrain. By properly isolating the swingarm from the transmission, it helps prevent premature wear on related components and ensures optimal performance. Whether you're cruising the highway or navigating city streets, the TwinPower Swingarm Isolator provides the comfort and control you need.

This part is compatible with a wide range of Harley-Davidson models, including Road King, Electra Glide, and various FXR variants from 1986 through 2008. Ensure your ride is as smooth as possible by upgrading with quality components from TwinPower, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-2008 Harley-Davidson FLHR Road King Base
2007-2008 Harley-Davidson FLHRC Road King Classic Base
1998-2006 Harley-Davidson FLHRCI Road King Classic Base
1996-1997 Harley-Davidson FLHRI Road King Base
2004-2007 Harley-Davidson FLHRS Road King Custom Base
2002 Harley-Davidson FLHRSEI Screamin Eagle Road King Base
1987-1993 Harley-Davidson FLHS Electra Glide Sport Base
1995-2008 Harley-Davidson FLHT Electra Glide Standard Base
2007-2008 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
1995-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2003-2006 Harley-Davidson FLHTI Electra Glide Standard Base
2006-2008 Harley-Davidson FLHX Street Glide Base
1986-1994 Harley-Davidson FXR Super Glide II Base
1986 Harley-Davidson FXRD Sport Glide Grand Touring Base
1986-1994 Harley-Davidson FXRPF Police Base
1986-1992 Harley-Davidson FXRS Low Glide Base
1990-1994 Harley-Davidson FXRS-Conv Low Rider Sport Convertible 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

TwinPower Swingarm Isolator for Harley-Davidson Big Twins

Experience a noticeable improvement in ride comfort and stability with the TwinPower Swingarm Isolator, specifically designed for 1986-2008 Harley-Davidson FLH, FLT, and FXR models. This essential component fits between the swingarm pivot block and the transmission, effectively dampening vibrations and road harshness. It's the perfect upgrade for any rider looking to enhance their motorcycle's handling and reduce fatigue on longer journeys.

Key Benefits & Fitment:

  • Enhanced Comfort: Significantly reduces vibration transfer to the rider for a smoother, more comfortable ride.
  • Improved Stability: Contributes to better handling and a more planted feel on the road.
  • Direct Replacement: Replaces Harley-Davidson part number 47564-86B, ensuring a precise fit.
  • Broad Application: Ideal for FLHT, FXR, and rubber mount frame applications using FLHT or FXR transmissions and swingarms.
  • Durable Construction: Built to withstand the rigors of daily riding and varying road conditions.

This isolator is crucial for maintaining the integrity of your motorcycle's chassis and drivetrain. By properly isolating the swingarm from the transmission, it helps prevent premature wear on related components and ensures optimal performance. Whether you're cruising the highway or navigating city streets, the TwinPower Swingarm Isolator provides the comfort and control you need.

This part is compatible with a wide range of Harley-Davidson models, including Road King, Electra Glide, and various FXR variants from 1986 through 2008. Ensure your ride is as smooth as possible by upgrading with quality components from TwinPower, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-2008 Harley-Davidson FLHR Road King Base
2007-2008 Harley-Davidson FLHRC Road King Classic Base
1998-2006 Harley-Davidson FLHRCI Road King Classic Base
1996-1997 Harley-Davidson FLHRI Road King Base
2004-2007 Harley-Davidson FLHRS Road King Custom Base
2002 Harley-Davidson FLHRSEI Screamin Eagle Road King Base
1987-1993 Harley-Davidson FLHS Electra Glide Sport Base
1995-2008 Harley-Davidson FLHT Electra Glide Standard Base
2007-2008 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
1995-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2003-2006 Harley-Davidson FLHTI Electra Glide Standard Base
2006-2008 Harley-Davidson FLHX Street Glide Base
1986-1994 Harley-Davidson FXR Super Glide II Base
1986 Harley-Davidson FXRD Sport Glide Grand Touring Base
1986-1994 Harley-Davidson FXRPF Police Base
1986-1992 Harley-Davidson FXRS Low Glide Base
1990-1994 Harley-Davidson FXRS-Conv Low Rider Sport Convertible 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

TwinPower Swingarm Isolator for Harley-Davidson Big Twins

Experience a noticeable improvement in ride comfort and stability with the TwinPower Swingarm Isolator, specifically designed for 1986-2008 Harley-Davidson FLH, FLT, and FXR models. This essential component fits between the swingarm pivot block and the transmission, effectively dampening vibrations and road harshness. It's the perfect upgrade for any rider looking to enhance their motorcycle's handling and reduce fatigue on longer journeys.

Key Benefits & Fitment:

  • Enhanced Comfort: Significantly reduces vibration transfer to the rider for a smoother, more comfortable ride.
  • Improved Stability: Contributes to better handling and a more planted feel on the road.
  • Direct Replacement: Replaces Harley-Davidson part number 47564-86B, ensuring a precise fit.
  • Broad Application: Ideal for FLHT, FXR, and rubber mount frame applications using FLHT or FXR transmissions and swingarms.
  • Durable Construction: Built to withstand the rigors of daily riding and varying road conditions.

This isolator is crucial for maintaining the integrity of your motorcycle's chassis and drivetrain. By properly isolating the swingarm from the transmission, it helps prevent premature wear on related components and ensures optimal performance. Whether you're cruising the highway or navigating city streets, the TwinPower Swingarm Isolator provides the comfort and control you need.

This part is compatible with a wide range of Harley-Davidson models, including Road King, Electra Glide, and various FXR variants from 1986 through 2008. Ensure your ride is as smooth as possible by upgrading with quality components from TwinPower, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-2008 Harley-Davidson FLHR Road King Base
2007-2008 Harley-Davidson FLHRC Road King Classic Base
1998-2006 Harley-Davidson FLHRCI Road King Classic Base
1996-1997 Harley-Davidson FLHRI Road King Base
2004-2007 Harley-Davidson FLHRS Road King Custom Base
2002 Harley-Davidson FLHRSEI Screamin Eagle Road King Base
1987-1993 Harley-Davidson FLHS Electra Glide Sport Base
1995-2008 Harley-Davidson FLHT Electra Glide Standard Base
2007-2008 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
1995-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2003-2006 Harley-Davidson FLHTI Electra Glide Standard Base
2006-2008 Harley-Davidson FLHX Street Glide Base
1986-1994 Harley-Davidson FXR Super Glide II Base
1986 Harley-Davidson FXRD Sport Glide Grand Touring Base
1986-1994 Harley-Davidson FXRPF Police Base
1986-1992 Harley-Davidson FXRS Low Glide Base
1990-1994 Harley-Davidson FXRS-Conv Low Rider Sport Convertible Base

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