Twin Power Compensating Sprocket Kit 25T — Fits 94-06 Big Twin Exc 99-01 FLT EFI, 06 Dyna

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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 Compensating Sprocket Kit for Big Twin Harley-Davidsons

Elevate your Big Twin Harley-Davidson's performance with this high-quality Compensating Sprocket Kit from Twin Power. Engineered to replace Harley-Davidson part number 40308-94, this 25-tooth kit is designed for a broad range of models, offering enhanced durability and smooth power delivery.

Premium Features:

  • Optimized Tooth Count: Features a 25-tooth sprocket for precise gearing and improved drivetrain performance.
  • Direct Replacement: Designed to directly replace H-D 40308-94, ensuring a perfect fit for compatible models.
  • Extended Fitment Range: Suitable for 1994-2006 Big Twin models, with specific applications including 1999-2001 FLT models with EFI and 2006 Dyna models.
  • Robust Construction: Built with Twin Power's commitment to quality, this kit is made to withstand the demands of powerful V-twin engines.
  • Enhanced Drivability: Contributes to a smoother riding experience by optimizing the engagement of the drivetrain.

Vehicle Compatibility:

This kit is compatible with a wide array of Harley-Davidson motorcycles, including:

  • Touring: 1997-2006 FLHR Road King, 1998-2006 FLHRCI Road King Classic, 1996-1997 & 2000-2006 FLHRI Road King, 2004-2006 FLHRS Road King Custom, 2002 FLHRSEI Screamin Eagle Road King, 1995-2001 & 2003, 2006 FLHT Electra Glide Standard, 1994-2005 FLHTC Electra Glide Classic, 1996-2006 FLHTCI Electra Glide Classic, 1994-1997 FLHTCU Electra Glide Ultra Classic, 1995-2006 FLHTCUI Electra Glide Ultra Classic, 2003-2006 FLHTI Electra Glide Standard.
  • Softail: 1994-2005 FLSTC Heritage Softail Classic, 1994-2006 FLSTF Fat Boy, 1994-1996 FLSTN Heritage Softail Special, 1994-1996 FXST Softail Standard, 1994-2005 FXSTC Softail Custom, 1994-1997 FXSTS Springer Softail.
  • Dyna: 1994-2005 FXDL Dyna Low Rider, 1994-2005 FXDS-CONV Dyna Convertible, 1994-2005 FXDWG Dyna Wide Glide, 2006 FXD Dyna Super Glide.
  • FXR: 1994-1994 FXLR Low Rider Custom, 1994-1994 FXR Super Glide II, 1994-1994 FXRpf Police.

Ensure your ride is equipped with the best. Get this essential Twin Power Compensating Sprocket Kit today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-2006 Harley-Davidson FLHR Road King 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
2002 Harley-Davidson FLHRSEI Screamin Eagle Road King Base
1995-2001 Harley-Davidson FLHT Electra Glide Standard Base
2003 Harley-Davidson FLHT Electra Glide Standard Base
2006 Harley-Davidson FLHT Electra Glide Standard Base
1996-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
1994-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1995-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2006 Harley-Davidson FLHX Street Glide Base
2006 Harley-Davidson FLST Heritage Softail Base
1994-2006 Harley-Davidson FLSTC Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTCI Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTFI Fat Boy Base
1994-1996 Harley-Davidson FLSTN Heritage Softail Special Base
2005-2006 Harley-Davidson FLSTN Softail Deluxe Base
1997-2006 Harley-Davidson FLSTS Heritage Springer Base
2001-2003 Harley-Davidson FLSTSI Heritage Springer Base
1996 Harley-Davidson FLTCUI Tour Glide Ultra Classic Base
1998-2006 Harley-Davidson FLTR Road Glide Base
1998-2006 Harley-Davidson FLTRI Road Glide Base
2005 Harley-Davidson FXDC Super Glide Custom Base
1994-2005 Harley-Davidson FXDL Dyna Low Rider Base
1994-2000 Harley-Davidson FXDS-Conv Dyna Convertible Base
1994-2005 Harley-Davidson FXDWG Dyna Wide Glide Base
2001 Harley-Davidson FXDWG2 Base
2001-2003 Harley-Davidson FXDXT Dyna Super Glide T-Sport Base
1994 Harley-Davidson FXR Super Glide II Base
1994 Harley-Davidson FXRPF Police Base
1994-2006 Harley-Davidson FXST Softail Standard Base
1999-2006 Harley-Davidson FXSTB Night Train Base
1994-1999 Harley-Davidson FXSTC Softail Custom Base
2000-2006 Harley-Davidson FXSTD Softail Deuce Base
2001-2006 Harley-Davidson FXSTDI Softail Deuce Base
2003-2004 Harley-Davidson FXSTDSE Screamin Eagle Softail Deuce Base
1994-2006 Harley-Davidson FXSTS Springer Softail Base
1995-1997 Harley-Davidson FXSTSB Bad Boy Base
2001-2006 Harley-Davidson FXSTSI Springer Softail 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 Compensating Sprocket Kit for Big Twin Harley-Davidsons

Elevate your Big Twin Harley-Davidson's performance with this high-quality Compensating Sprocket Kit from Twin Power. Engineered to replace Harley-Davidson part number 40308-94, this 25-tooth kit is designed for a broad range of models, offering enhanced durability and smooth power delivery.

Premium Features:

  • Optimized Tooth Count: Features a 25-tooth sprocket for precise gearing and improved drivetrain performance.
  • Direct Replacement: Designed to directly replace H-D 40308-94, ensuring a perfect fit for compatible models.
  • Extended Fitment Range: Suitable for 1994-2006 Big Twin models, with specific applications including 1999-2001 FLT models with EFI and 2006 Dyna models.
  • Robust Construction: Built with Twin Power's commitment to quality, this kit is made to withstand the demands of powerful V-twin engines.
  • Enhanced Drivability: Contributes to a smoother riding experience by optimizing the engagement of the drivetrain.

Vehicle Compatibility:

This kit is compatible with a wide array of Harley-Davidson motorcycles, including:

  • Touring: 1997-2006 FLHR Road King, 1998-2006 FLHRCI Road King Classic, 1996-1997 & 2000-2006 FLHRI Road King, 2004-2006 FLHRS Road King Custom, 2002 FLHRSEI Screamin Eagle Road King, 1995-2001 & 2003, 2006 FLHT Electra Glide Standard, 1994-2005 FLHTC Electra Glide Classic, 1996-2006 FLHTCI Electra Glide Classic, 1994-1997 FLHTCU Electra Glide Ultra Classic, 1995-2006 FLHTCUI Electra Glide Ultra Classic, 2003-2006 FLHTI Electra Glide Standard.
  • Softail: 1994-2005 FLSTC Heritage Softail Classic, 1994-2006 FLSTF Fat Boy, 1994-1996 FLSTN Heritage Softail Special, 1994-1996 FXST Softail Standard, 1994-2005 FXSTC Softail Custom, 1994-1997 FXSTS Springer Softail.
  • Dyna: 1994-2005 FXDL Dyna Low Rider, 1994-2005 FXDS-CONV Dyna Convertible, 1994-2005 FXDWG Dyna Wide Glide, 2006 FXD Dyna Super Glide.
  • FXR: 1994-1994 FXLR Low Rider Custom, 1994-1994 FXR Super Glide II, 1994-1994 FXRpf Police.

Ensure your ride is equipped with the best. Get this essential Twin Power Compensating Sprocket Kit today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-2006 Harley-Davidson FLHR Road King 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
2002 Harley-Davidson FLHRSEI Screamin Eagle Road King Base
1995-2001 Harley-Davidson FLHT Electra Glide Standard Base
2003 Harley-Davidson FLHT Electra Glide Standard Base
2006 Harley-Davidson FLHT Electra Glide Standard Base
1996-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
1994-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1995-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2006 Harley-Davidson FLHX Street Glide Base
2006 Harley-Davidson FLST Heritage Softail Base
1994-2006 Harley-Davidson FLSTC Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTCI Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTFI Fat Boy Base
1994-1996 Harley-Davidson FLSTN Heritage Softail Special Base
2005-2006 Harley-Davidson FLSTN Softail Deluxe Base
1997-2006 Harley-Davidson FLSTS Heritage Springer Base
2001-2003 Harley-Davidson FLSTSI Heritage Springer Base
1996 Harley-Davidson FLTCUI Tour Glide Ultra Classic Base
1998-2006 Harley-Davidson FLTR Road Glide Base
1998-2006 Harley-Davidson FLTRI Road Glide Base
2005 Harley-Davidson FXDC Super Glide Custom Base
1994-2005 Harley-Davidson FXDL Dyna Low Rider Base
1994-2000 Harley-Davidson FXDS-Conv Dyna Convertible Base
1994-2005 Harley-Davidson FXDWG Dyna Wide Glide Base
2001 Harley-Davidson FXDWG2 Base
2001-2003 Harley-Davidson FXDXT Dyna Super Glide T-Sport Base
1994 Harley-Davidson FXR Super Glide II Base
1994 Harley-Davidson FXRPF Police Base
1994-2006 Harley-Davidson FXST Softail Standard Base
1999-2006 Harley-Davidson FXSTB Night Train Base
1994-1999 Harley-Davidson FXSTC Softail Custom Base
2000-2006 Harley-Davidson FXSTD Softail Deuce Base
2001-2006 Harley-Davidson FXSTDI Softail Deuce Base
2003-2004 Harley-Davidson FXSTDSE Screamin Eagle Softail Deuce Base
1994-2006 Harley-Davidson FXSTS Springer Softail Base
1995-1997 Harley-Davidson FXSTSB Bad Boy Base
2001-2006 Harley-Davidson FXSTSI Springer Softail 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 Compensating Sprocket Kit for Big Twin Harley-Davidsons

Elevate your Big Twin Harley-Davidson's performance with this high-quality Compensating Sprocket Kit from Twin Power. Engineered to replace Harley-Davidson part number 40308-94, this 25-tooth kit is designed for a broad range of models, offering enhanced durability and smooth power delivery.

Premium Features:

  • Optimized Tooth Count: Features a 25-tooth sprocket for precise gearing and improved drivetrain performance.
  • Direct Replacement: Designed to directly replace H-D 40308-94, ensuring a perfect fit for compatible models.
  • Extended Fitment Range: Suitable for 1994-2006 Big Twin models, with specific applications including 1999-2001 FLT models with EFI and 2006 Dyna models.
  • Robust Construction: Built with Twin Power's commitment to quality, this kit is made to withstand the demands of powerful V-twin engines.
  • Enhanced Drivability: Contributes to a smoother riding experience by optimizing the engagement of the drivetrain.

Vehicle Compatibility:

This kit is compatible with a wide array of Harley-Davidson motorcycles, including:

  • Touring: 1997-2006 FLHR Road King, 1998-2006 FLHRCI Road King Classic, 1996-1997 & 2000-2006 FLHRI Road King, 2004-2006 FLHRS Road King Custom, 2002 FLHRSEI Screamin Eagle Road King, 1995-2001 & 2003, 2006 FLHT Electra Glide Standard, 1994-2005 FLHTC Electra Glide Classic, 1996-2006 FLHTCI Electra Glide Classic, 1994-1997 FLHTCU Electra Glide Ultra Classic, 1995-2006 FLHTCUI Electra Glide Ultra Classic, 2003-2006 FLHTI Electra Glide Standard.
  • Softail: 1994-2005 FLSTC Heritage Softail Classic, 1994-2006 FLSTF Fat Boy, 1994-1996 FLSTN Heritage Softail Special, 1994-1996 FXST Softail Standard, 1994-2005 FXSTC Softail Custom, 1994-1997 FXSTS Springer Softail.
  • Dyna: 1994-2005 FXDL Dyna Low Rider, 1994-2005 FXDS-CONV Dyna Convertible, 1994-2005 FXDWG Dyna Wide Glide, 2006 FXD Dyna Super Glide.
  • FXR: 1994-1994 FXLR Low Rider Custom, 1994-1994 FXR Super Glide II, 1994-1994 FXRpf Police.

Ensure your ride is equipped with the best. Get this essential Twin Power Compensating Sprocket Kit today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-2006 Harley-Davidson FLHR Road King 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
2002 Harley-Davidson FLHRSEI Screamin Eagle Road King Base
1995-2001 Harley-Davidson FLHT Electra Glide Standard Base
2003 Harley-Davidson FLHT Electra Glide Standard Base
2006 Harley-Davidson FLHT Electra Glide Standard Base
1996-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
1994-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1995-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2006 Harley-Davidson FLHX Street Glide Base
2006 Harley-Davidson FLST Heritage Softail Base
1994-2006 Harley-Davidson FLSTC Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTCI Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTFI Fat Boy Base
1994-1996 Harley-Davidson FLSTN Heritage Softail Special Base
2005-2006 Harley-Davidson FLSTN Softail Deluxe Base
1997-2006 Harley-Davidson FLSTS Heritage Springer Base
2001-2003 Harley-Davidson FLSTSI Heritage Springer Base
1996 Harley-Davidson FLTCUI Tour Glide Ultra Classic Base
1998-2006 Harley-Davidson FLTR Road Glide Base
1998-2006 Harley-Davidson FLTRI Road Glide Base
2005 Harley-Davidson FXDC Super Glide Custom Base
1994-2005 Harley-Davidson FXDL Dyna Low Rider Base
1994-2000 Harley-Davidson FXDS-Conv Dyna Convertible Base
1994-2005 Harley-Davidson FXDWG Dyna Wide Glide Base
2001 Harley-Davidson FXDWG2 Base
2001-2003 Harley-Davidson FXDXT Dyna Super Glide T-Sport Base
1994 Harley-Davidson FXR Super Glide II Base
1994 Harley-Davidson FXRPF Police Base
1994-2006 Harley-Davidson FXST Softail Standard Base
1999-2006 Harley-Davidson FXSTB Night Train Base
1994-1999 Harley-Davidson FXSTC Softail Custom Base
2000-2006 Harley-Davidson FXSTD Softail Deuce Base
2001-2006 Harley-Davidson FXSTDI Softail Deuce Base
2003-2004 Harley-Davidson FXSTDSE Screamin Eagle Softail Deuce Base
1994-2006 Harley-Davidson FXSTS Springer Softail Base
1995-1997 Harley-Davidson FXSTSB Bad Boy Base
2001-2006 Harley-Davidson FXSTSI Springer Softail Base

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