Twin Power CV Carburetor Recalibration Kit — 90-06 Big Twin/XL

SKU: TWP420400

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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

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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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Twin Power CV Carburetor Recalibration Kit for Harley-Davidson

Revitalize your Harley-Davidson's performance with the Twin Power CV Carburetor Recalibration Kit. Specifically designed for 1990-2006 Big Twin and Sportster XL models equipped with the Keihin CV (Constant Velocity) carburetor, this kit addresses common issues like throttle flat spots, hesitation, backfiring, and poor throttle response. It's the perfect solution for optimizing your engine's fuel delivery and achieving smoother, more powerful acceleration.

Key Benefits and Features:

  • Resolves Performance Issues: Effectively cures common CV carb problems including flat spots, hesitation, and rough idling.
  • Increases Power: Boosts midrange and top-end power by ensuring optimal fuel-air mixture across the RPM range.
  • Maintains Fuel Economy: Designed to enhance performance without sacrificing your motorcycle's fuel efficiency.
  • Smooth Throttle Response: Delivers crisp and immediate throttle response for a more enjoyable riding experience.
  • Comprehensive Kit: Includes all necessary components for a complete recalibration of your CV carburetor.
  • Wide Fitment: Compatible with a vast range of Harley-Davidson Big Twin and XL models from 1990 to 2006.

The Keihin CV carburetor, while reliable, can sometimes benefit from fine-tuning, especially after modifications or simply due to age. This Twin Power kit provides the precise adjustments needed to bring your engine back to its peak performance. Experience a noticeable improvement in how your Harley runs, from initial startup to full throttle. Whether you're cruising the highway or navigating city streets, this kit ensures your ride is as smooth and powerful as it can be.

Upgrade your ride's performance and drivability. Find the Twin Power CV Carburetor Recalibration Kit and more for your Harley-Davidson at GGCRACING.

…and 15 additional fitments. Contact us to confirm yours.

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 CV Carburetor Recalibration Kit for Harley-Davidson

Revitalize your Harley-Davidson's performance with the Twin Power CV Carburetor Recalibration Kit. Specifically designed for 1990-2006 Big Twin and Sportster XL models equipped with the Keihin CV (Constant Velocity) carburetor, this kit addresses common issues like throttle flat spots, hesitation, backfiring, and poor throttle response. It's the perfect solution for optimizing your engine's fuel delivery and achieving smoother, more powerful acceleration.

Key Benefits and Features:

  • Resolves Performance Issues: Effectively cures common CV carb problems including flat spots, hesitation, and rough idling.
  • Increases Power: Boosts midrange and top-end power by ensuring optimal fuel-air mixture across the RPM range.
  • Maintains Fuel Economy: Designed to enhance performance without sacrificing your motorcycle's fuel efficiency.
  • Smooth Throttle Response: Delivers crisp and immediate throttle response for a more enjoyable riding experience.
  • Comprehensive Kit: Includes all necessary components for a complete recalibration of your CV carburetor.
  • Wide Fitment: Compatible with a vast range of Harley-Davidson Big Twin and XL models from 1990 to 2006.

The Keihin CV carburetor, while reliable, can sometimes benefit from fine-tuning, especially after modifications or simply due to age. This Twin Power kit provides the precise adjustments needed to bring your engine back to its peak performance. Experience a noticeable improvement in how your Harley runs, from initial startup to full throttle. Whether you're cruising the highway or navigating city streets, this kit ensures your ride is as smooth and powerful as it can be.

Upgrade your ride's performance and drivability. Find the Twin Power CV Carburetor Recalibration Kit and more for your Harley-Davidson at GGCRACING.

…and 15 additional fitments. Contact us to confirm yours.

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