S&S Cycle

S&S Cycle Inner Primary Seal — Fits 4 Speed Big Twin

SKU: SSC56-5101
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About S&S Cycle S&S Cycle engineers high-quality automotive parts and ...Read More

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$17.99
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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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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.

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S&S Cycle 4-Speed Inner Primary Seal

Maintain the integrity of your Big Twin's transmission with this high-performance Inner Primary Seal from S&S Cycle. Designed specifically for 4-speed transmissions, this seal is engineered to prevent leaks and ensure smooth operation of your motorcycle's drivetrain.

Product Details:

  • Application: Fits 4-speed Big Twin transmissions.
  • Precise Fitment: Features exact dimensions of .9995in x 2.0070in x .2500in for a secure and leak-free seal.
  • Durable Construction: Built with premium materials to withstand the rigors of the road and provide long-lasting service.
  • Leak Prevention: Effectively seals the inner primary, preventing oil loss and protecting vital components.
  • S&S Cycle Reliability: Manufactured to S&S Cycle's high standards for performance and dependability.

This Inner Primary Seal is an essential component for any rider maintaining or rebuilding their classic Big Twin. Ensure your transmission stays properly lubricated and protected from contaminants. Investing in quality parts like this S&S Cycle seal will help prevent costly repairs down the line. Keep your ride in top condition with reliable drivetrain components from GGCRACING.

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.

Watch in action

S&S Cycle 4-Speed Inner Primary Seal

Maintain the integrity of your Big Twin's transmission with this high-performance Inner Primary Seal from S&S Cycle. Designed specifically for 4-speed transmissions, this seal is engineered to prevent leaks and ensure smooth operation of your motorcycle's drivetrain.

Product Details:

  • Application: Fits 4-speed Big Twin transmissions.
  • Precise Fitment: Features exact dimensions of .9995in x 2.0070in x .2500in for a secure and leak-free seal.
  • Durable Construction: Built with premium materials to withstand the rigors of the road and provide long-lasting service.
  • Leak Prevention: Effectively seals the inner primary, preventing oil loss and protecting vital components.
  • S&S Cycle Reliability: Manufactured to S&S Cycle's high standards for performance and dependability.

This Inner Primary Seal is an essential component for any rider maintaining or rebuilding their classic Big Twin. Ensure your transmission stays properly lubricated and protected from contaminants. Investing in quality parts like this S&S Cycle seal will help prevent costly repairs down the line. Keep your ride in top condition with reliable drivetrain components from GGCRACING.

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.

Watch in action

S&S Cycle 4-Speed Inner Primary Seal

Maintain the integrity of your Big Twin's transmission with this high-performance Inner Primary Seal from S&S Cycle. Designed specifically for 4-speed transmissions, this seal is engineered to prevent leaks and ensure smooth operation of your motorcycle's drivetrain.

Product Details:

  • Application: Fits 4-speed Big Twin transmissions.
  • Precise Fitment: Features exact dimensions of .9995in x 2.0070in x .2500in for a secure and leak-free seal.
  • Durable Construction: Built with premium materials to withstand the rigors of the road and provide long-lasting service.
  • Leak Prevention: Effectively seals the inner primary, preventing oil loss and protecting vital components.
  • S&S Cycle Reliability: Manufactured to S&S Cycle's high standards for performance and dependability.

This Inner Primary Seal is an essential component for any rider maintaining or rebuilding their classic Big Twin. Ensure your transmission stays properly lubricated and protected from contaminants. Investing in quality parts like this S&S Cycle seal will help prevent costly repairs down the line. Keep your ride in top condition with reliable drivetrain components from GGCRACING.

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