S&S Cycle 77-99 BT Breather Gear Kit — Fits Harley-Davidson Big Twin

SKU: SSC33-4250
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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 S&S Cycle

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

S&S Cycle Breather Gear Kit for Harley-Davidson Big Twin (1977-1999)

Maintain optimal engine performance and longevity with the S&S Cycle Breather Gear Kit, specifically designed for Harley-Davidson Big Twin models from 1977 to 1999. This comprehensive kit ensures proper ventilation and lubrication, crucial for the health of your engine.

Engineered for Performance:

  • Brand: S&S Cycle
  • Product: Breather Gear Kit
  • Compatibility: Fits Harley-Davidson Big Twin (BT) models from 1977-1999.
  • Function: Essential for proper crankcase ventilation and oil management.
  • Quality: Manufactured to S&S Cycle's high standards for reliability and durability.

Proper crankcase ventilation is vital to prevent pressure buildup and ensure efficient operation of your Big Twin engine. This S&S Cycle kit includes all the necessary components to replace or upgrade your existing breather gear, helping to reduce oil consumption and prevent potential damage. Whether you're rebuilding your engine or performing routine maintenance, this kit is a critical part of ensuring your Harley-Davidson runs at its best.

The S&S Cycle 77-99 BT Breather Gear Kit is a testament to the brand's commitment to quality and performance. Ensure your classic Big Twin breathes easy and performs powerfully for years to come. Find this and other essential S&S Cycle components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-1999 Harley-Davidson FLHR Road King Base
1998-1999 Harley-Davidson FLHRCI Road King Classic Base
1996-1997 Harley-Davidson FLHRI Road King Base
1983-1999 Harley-Davidson FLHTC Electra Glide Classic Base
1989-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
1988-1999 Harley-Davidson FLSTC Heritage Softail Classic Base
1990-1999 Harley-Davidson FLSTF Fat Boy Base
1998-1999 Harley-Davidson FLTR Road Glide Base
1998-1999 Harley-Davidson FLTRI Road Glide Base
1995-1999 Harley-Davidson FXD Dyna Super Glide Base
1993-1999 Harley-Davidson FXDL Dyna Low Rider Base
1999 Harley-Davidson FXDX Dyna Super Glide Sport Base
1987-1994 Harley-Davidson FXLR Low Rider Custom Base
1999 Harley-Davidson FXR2 Base
1999 Harley-Davidson FXR3 Base
1982-1992 Harley-Davidson FXRS Low Glide Base
1977-1982 Harley-Davidson FXS Low Rider Base
1983-1985 Harley-Davidson FXSB Low Rider - Belt Base
1999 Harley-Davidson FXSTB Night Train Base
1986-1999 Harley-Davidson FXSTC Softail Custom Base
1988-1999 Harley-Davidson FXSTS Springer Softail Base
1980-1986 Harley-Davidson FXWG Wide Glide Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About S&S Cycle

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

S&S Cycle Breather Gear Kit for Harley-Davidson Big Twin (1977-1999)

Maintain optimal engine performance and longevity with the S&S Cycle Breather Gear Kit, specifically designed for Harley-Davidson Big Twin models from 1977 to 1999. This comprehensive kit ensures proper ventilation and lubrication, crucial for the health of your engine.

Engineered for Performance:

  • Brand: S&S Cycle
  • Product: Breather Gear Kit
  • Compatibility: Fits Harley-Davidson Big Twin (BT) models from 1977-1999.
  • Function: Essential for proper crankcase ventilation and oil management.
  • Quality: Manufactured to S&S Cycle's high standards for reliability and durability.

Proper crankcase ventilation is vital to prevent pressure buildup and ensure efficient operation of your Big Twin engine. This S&S Cycle kit includes all the necessary components to replace or upgrade your existing breather gear, helping to reduce oil consumption and prevent potential damage. Whether you're rebuilding your engine or performing routine maintenance, this kit is a critical part of ensuring your Harley-Davidson runs at its best.

The S&S Cycle 77-99 BT Breather Gear Kit is a testament to the brand's commitment to quality and performance. Ensure your classic Big Twin breathes easy and performs powerfully for years to come. Find this and other essential S&S Cycle components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-1999 Harley-Davidson FLHR Road King Base
1998-1999 Harley-Davidson FLHRCI Road King Classic Base
1996-1997 Harley-Davidson FLHRI Road King Base
1983-1999 Harley-Davidson FLHTC Electra Glide Classic Base
1989-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
1988-1999 Harley-Davidson FLSTC Heritage Softail Classic Base
1990-1999 Harley-Davidson FLSTF Fat Boy Base
1998-1999 Harley-Davidson FLTR Road Glide Base
1998-1999 Harley-Davidson FLTRI Road Glide Base
1995-1999 Harley-Davidson FXD Dyna Super Glide Base
1993-1999 Harley-Davidson FXDL Dyna Low Rider Base
1999 Harley-Davidson FXDX Dyna Super Glide Sport Base
1987-1994 Harley-Davidson FXLR Low Rider Custom Base
1999 Harley-Davidson FXR2 Base
1999 Harley-Davidson FXR3 Base
1982-1992 Harley-Davidson FXRS Low Glide Base
1977-1982 Harley-Davidson FXS Low Rider Base
1983-1985 Harley-Davidson FXSB Low Rider - Belt Base
1999 Harley-Davidson FXSTB Night Train Base
1986-1999 Harley-Davidson FXSTC Softail Custom Base
1988-1999 Harley-Davidson FXSTS Springer Softail Base
1980-1986 Harley-Davidson FXWG Wide Glide Base

Product Details

Product Description

About S&S Cycle

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

S&S Cycle Breather Gear Kit for Harley-Davidson Big Twin (1977-1999)

Maintain optimal engine performance and longevity with the S&S Cycle Breather Gear Kit, specifically designed for Harley-Davidson Big Twin models from 1977 to 1999. This comprehensive kit ensures proper ventilation and lubrication, crucial for the health of your engine.

Engineered for Performance:

  • Brand: S&S Cycle
  • Product: Breather Gear Kit
  • Compatibility: Fits Harley-Davidson Big Twin (BT) models from 1977-1999.
  • Function: Essential for proper crankcase ventilation and oil management.
  • Quality: Manufactured to S&S Cycle's high standards for reliability and durability.

Proper crankcase ventilation is vital to prevent pressure buildup and ensure efficient operation of your Big Twin engine. This S&S Cycle kit includes all the necessary components to replace or upgrade your existing breather gear, helping to reduce oil consumption and prevent potential damage. Whether you're rebuilding your engine or performing routine maintenance, this kit is a critical part of ensuring your Harley-Davidson runs at its best.

The S&S Cycle 77-99 BT Breather Gear Kit is a testament to the brand's commitment to quality and performance. Ensure your classic Big Twin breathes easy and performs powerfully for years to come. Find this and other essential S&S Cycle components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1997-1999 Harley-Davidson FLHR Road King Base
1998-1999 Harley-Davidson FLHRCI Road King Classic Base
1996-1997 Harley-Davidson FLHRI Road King Base
1983-1999 Harley-Davidson FLHTC Electra Glide Classic Base
1989-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic Base
1986-1990 Harley-Davidson FLST Heritage Softail Base
1988-1999 Harley-Davidson FLSTC Heritage Softail Classic Base
1990-1999 Harley-Davidson FLSTF Fat Boy Base
1998-1999 Harley-Davidson FLTR Road Glide Base
1998-1999 Harley-Davidson FLTRI Road Glide Base
1995-1999 Harley-Davidson FXD Dyna Super Glide Base
1993-1999 Harley-Davidson FXDL Dyna Low Rider Base
1999 Harley-Davidson FXDX Dyna Super Glide Sport Base
1987-1994 Harley-Davidson FXLR Low Rider Custom Base
1999 Harley-Davidson FXR2 Base
1999 Harley-Davidson FXR3 Base
1982-1992 Harley-Davidson FXRS Low Glide Base
1977-1982 Harley-Davidson FXS Low Rider Base
1983-1985 Harley-Davidson FXSB Low Rider - Belt Base
1999 Harley-Davidson FXSTB Night Train Base
1986-1999 Harley-Davidson FXSTC Softail Custom Base
1988-1999 Harley-Davidson FXSTS Springer Softail Base
1980-1986 Harley-Davidson FXWG Wide Glide Base

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