S&S Cycle
S&S Cycle 1999+ BT 4-1/8in Rocker Box Base Gasket - Fits Harley-Davidson
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S&S Cycle 1999+ BT 4-1/8in Rocker Box Base Gasket - Fits Harley-Davidson
S&S Cycle

S&S Cycle 1999+ BT 4-1/8in Rocker Box Base Gasket

SKU: SSC90-4071

About S&S Cycle S&S Cycle engineers high-quality automotive parts and ...Read more

Price:
$20.95
200 ENTRIES10X

Backordered — usually ships in 15–30 business days

Not in stock right now. We order it from the manufacturer and email you if the date changes.

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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

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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 4-1/8in Rocker Box Base Gasket for 1999+ Big Twin

Keep your 1999 and newer Big Twin Harley-Davidson engine performing at its best with the S&S Cycle 4-1/8 inch Rocker Box Base Gasket. This high-quality gasket is engineered to provide a superior seal, preventing oil leaks and ensuring the longevity of your engine's top end.

Engineered for Performance:

  • Designed specifically for 1999 and later Big Twin Harley-Davidson engines.
  • Features a 4-1/8 inch diameter for precise fitment.
  • Constructed from premium materials to withstand high temperatures and pressures.
  • Ensures a leak-free seal between the rocker box and cylinder head.
  • Essential for maintaining engine oil integrity and preventing messy leaks.

The rocker box area of your Harley-Davidson engine is critical for proper valve train operation and lubrication. This S&S Cycle base gasket plays a vital role in maintaining the seal, preventing oil from escaping and ensuring that the internal components remain adequately lubricated. Its robust construction guarantees durability and reliable performance, even under demanding riding conditions.

Whether you are performing routine maintenance, replacing worn components, or undertaking a custom build, this rocker box base gasket is an indispensable part. Trust S&S Cycle for precision-engineered components that deliver exceptional quality and performance for your Big Twin.

Secure your engine's performance and cleanliness. Find the S&S Cycle 4-1/8in Rocker Box Base Gasket at GGCRACING.

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 4-1/8in Rocker Box Base Gasket for 1999+ Big Twin

Keep your 1999 and newer Big Twin Harley-Davidson engine performing at its best with the S&S Cycle 4-1/8 inch Rocker Box Base Gasket. This high-quality gasket is engineered to provide a superior seal, preventing oil leaks and ensuring the longevity of your engine's top end.

Engineered for Performance:

  • Designed specifically for 1999 and later Big Twin Harley-Davidson engines.
  • Features a 4-1/8 inch diameter for precise fitment.
  • Constructed from premium materials to withstand high temperatures and pressures.
  • Ensures a leak-free seal between the rocker box and cylinder head.
  • Essential for maintaining engine oil integrity and preventing messy leaks.

The rocker box area of your Harley-Davidson engine is critical for proper valve train operation and lubrication. This S&S Cycle base gasket plays a vital role in maintaining the seal, preventing oil from escaping and ensuring that the internal components remain adequately lubricated. Its robust construction guarantees durability and reliable performance, even under demanding riding conditions.

Whether you are performing routine maintenance, replacing worn components, or undertaking a custom build, this rocker box base gasket is an indispensable part. Trust S&S Cycle for precision-engineered components that deliver exceptional quality and performance for your Big Twin.

Secure your engine's performance and cleanliness. Find the S&S Cycle 4-1/8in Rocker Box Base Gasket at GGCRACING.

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