S&S Cycle 4" Bore 4" Stroke Cylinder Kit - Wrinkle Black w/ Highlight — Fits 1999-2006 Harley-Davidson Big Twin

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SKU: SSC910-0646
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Sale price$1,540.95 Regular price$1,550.95
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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.

Watch in action

Unleash Power with S&S Cycle Big Twin Cylinder Kit

Elevate your Harley-Davidson's performance with the S&S Cycle 4-inch Bore, 4-inch Stroke Cylinder Kit, meticulously engineered for 1999-2006 Big Twin models. This premium kit is designed to deliver a significant boost in displacement and power, transforming your ride's capabilities. The wrinkle black finish with highlighted fins not only adds a custom aesthetic but also ensures durability and heat dissipation.

Precision Engineering for Optimal Performance

Each component in this S&S Cycle cylinder kit is crafted to the highest standards, ensuring a perfect fit and reliable operation. Experience enhanced throttle response, increased torque, and a more exhilarating riding experience. This kit is ideal for riders seeking to maximize their engine's potential without compromising on quality or longevity.

  • Increased displacement for superior power output
  • Durable wrinkle black finish with highlights
  • Designed for 1999-2006 Harley-Davidson Big Twin models
  • Includes cylinders, pistons, and rings
  • Enhances engine longevity and reliability

Invest in the S&S Cycle 4" Bore 4" Stroke Cylinder Kit and feel the difference in every ride. Available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1999-2006 Harley-Davidson FLHR Road King Base
1999-2006 Harley-Davidson FLHRCI Road King Classic Base
2000-2006 Harley-Davidson FLHRI Road King Base
2004-2006 Harley-Davidson FLHRS Road King Custom Base
1999-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
1999-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2006 Harley-Davidson FLST Heritage Softail Base
1999-2006 Harley-Davidson FLSTC Heritage Softail Classic Base
1999-2006 Harley-Davidson FLSTF Fat Boy Base
2001-2006 Harley-Davidson FLSTFI Fat Boy Base
1999-2006 Harley-Davidson FLTR Road Glide Base
1999-2006 Harley-Davidson FLTRI Road Glide Base
1999-2006 Harley-Davidson FXD Dyna Super Glide Base
2004-2006 Harley-Davidson FXDLI Dyna Low Rider Base
1999-2006 Harley-Davidson FXDWG Dyna Wide Glide Base
2004-2006 Harley-Davidson FXDWGI Dyna Wide Glide Base
1999-2005 Harley-Davidson FXDX Dyna Super Glide Sport Base
1999-2006 Harley-Davidson FXSTB Night Train Base
2001-2006 Harley-Davidson FXSTBI Night Train Base
2000-2006 Harley-Davidson FXSTD Softail Deuce Base
2001-2006 Harley-Davidson FXSTDI Softail Deuce Base
1999-2006 Harley-Davidson FXSTS Springer Softail Base
2001-2006 Harley-Davidson FXSTSI Springer Softail 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.

Watch in action

Unleash Power with S&S Cycle Big Twin Cylinder Kit

Elevate your Harley-Davidson's performance with the S&S Cycle 4-inch Bore, 4-inch Stroke Cylinder Kit, meticulously engineered for 1999-2006 Big Twin models. This premium kit is designed to deliver a significant boost in displacement and power, transforming your ride's capabilities. The wrinkle black finish with highlighted fins not only adds a custom aesthetic but also ensures durability and heat dissipation.

Precision Engineering for Optimal Performance

Each component in this S&S Cycle cylinder kit is crafted to the highest standards, ensuring a perfect fit and reliable operation. Experience enhanced throttle response, increased torque, and a more exhilarating riding experience. This kit is ideal for riders seeking to maximize their engine's potential without compromising on quality or longevity.

  • Increased displacement for superior power output
  • Durable wrinkle black finish with highlights
  • Designed for 1999-2006 Harley-Davidson Big Twin models
  • Includes cylinders, pistons, and rings
  • Enhances engine longevity and reliability

Invest in the S&S Cycle 4" Bore 4" Stroke Cylinder Kit and feel the difference in every ride. Available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1999-2006 Harley-Davidson FLHR Road King Base
1999-2006 Harley-Davidson FLHRCI Road King Classic Base
2000-2006 Harley-Davidson FLHRI Road King Base
2004-2006 Harley-Davidson FLHRS Road King Custom Base
1999-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
1999-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2006 Harley-Davidson FLST Heritage Softail Base
1999-2006 Harley-Davidson FLSTC Heritage Softail Classic Base
1999-2006 Harley-Davidson FLSTF Fat Boy Base
2001-2006 Harley-Davidson FLSTFI Fat Boy Base
1999-2006 Harley-Davidson FLTR Road Glide Base
1999-2006 Harley-Davidson FLTRI Road Glide Base
1999-2006 Harley-Davidson FXD Dyna Super Glide Base
2004-2006 Harley-Davidson FXDLI Dyna Low Rider Base
1999-2006 Harley-Davidson FXDWG Dyna Wide Glide Base
2004-2006 Harley-Davidson FXDWGI Dyna Wide Glide Base
1999-2005 Harley-Davidson FXDX Dyna Super Glide Sport Base
1999-2006 Harley-Davidson FXSTB Night Train Base
2001-2006 Harley-Davidson FXSTBI Night Train Base
2000-2006 Harley-Davidson FXSTD Softail Deuce Base
2001-2006 Harley-Davidson FXSTDI Softail Deuce Base
1999-2006 Harley-Davidson FXSTS Springer Softail Base
2001-2006 Harley-Davidson FXSTSI Springer Softail 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.

Watch in action

Unleash Power with S&S Cycle Big Twin Cylinder Kit

Elevate your Harley-Davidson's performance with the S&S Cycle 4-inch Bore, 4-inch Stroke Cylinder Kit, meticulously engineered for 1999-2006 Big Twin models. This premium kit is designed to deliver a significant boost in displacement and power, transforming your ride's capabilities. The wrinkle black finish with highlighted fins not only adds a custom aesthetic but also ensures durability and heat dissipation.

Precision Engineering for Optimal Performance

Each component in this S&S Cycle cylinder kit is crafted to the highest standards, ensuring a perfect fit and reliable operation. Experience enhanced throttle response, increased torque, and a more exhilarating riding experience. This kit is ideal for riders seeking to maximize their engine's potential without compromising on quality or longevity.

  • Increased displacement for superior power output
  • Durable wrinkle black finish with highlights
  • Designed for 1999-2006 Harley-Davidson Big Twin models
  • Includes cylinders, pistons, and rings
  • Enhances engine longevity and reliability

Invest in the S&S Cycle 4" Bore 4" Stroke Cylinder Kit and feel the difference in every ride. Available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1999-2006 Harley-Davidson FLHR Road King Base
1999-2006 Harley-Davidson FLHRCI Road King Classic Base
2000-2006 Harley-Davidson FLHRI Road King Base
2004-2006 Harley-Davidson FLHRS Road King Custom Base
1999-2006 Harley-Davidson FLHTCI Electra Glide Classic Base
1999-2006 Harley-Davidson FLHTCUI Electra Glide Ultra Classic Base
2006 Harley-Davidson FLST Heritage Softail Base
1999-2006 Harley-Davidson FLSTC Heritage Softail Classic Base
1999-2006 Harley-Davidson FLSTF Fat Boy Base
2001-2006 Harley-Davidson FLSTFI Fat Boy Base
1999-2006 Harley-Davidson FLTR Road Glide Base
1999-2006 Harley-Davidson FLTRI Road Glide Base
1999-2006 Harley-Davidson FXD Dyna Super Glide Base
2004-2006 Harley-Davidson FXDLI Dyna Low Rider Base
1999-2006 Harley-Davidson FXDWG Dyna Wide Glide Base
2004-2006 Harley-Davidson FXDWGI Dyna Wide Glide Base
1999-2005 Harley-Davidson FXDX Dyna Super Glide Sport Base
1999-2006 Harley-Davidson FXSTB Night Train Base
2001-2006 Harley-Davidson FXSTBI Night Train Base
2000-2006 Harley-Davidson FXSTD Softail Deuce Base
2001-2006 Harley-Davidson FXSTDI Softail Deuce Base
1999-2006 Harley-Davidson FXSTS Springer Softail Base
2001-2006 Harley-Davidson FXSTSI Springer Softail Base

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