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.

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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.

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.

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