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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.
Experience a significant performance upgrade with the S&S Cycle 4-inch Bore Power Pack, designed for 1999-2006 Harley-Davidson Big Twin engines. This premium kit increases your engine's displacement, delivering substantial gains in horsepower and torque. The Wrinkle Black finish adds a custom, aggressive look to your motorcycle's powerplant.
The S&S Cycle 4in Bore Power Pack is the ideal choice for riders looking to push the limits of their Twin Cam engine. This kit provides the foundation for a high-performance build, offering a thrilling ride with enhanced responsiveness and power. The Wrinkle Black finish is a popular choice for custom builds, providing a deep, lasting color.
For optimal results and engine longevity, professional installation is recommended. This power pack represents a significant investment in your motorcycle's performance and is backed by the quality assurance of S&S Cycle.
Upgrade your ride with the S&S Cycle 4in Bore Power Pack in Wrinkle Black, available now at GGCRACING.
| 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 |
Other popular S&S Cycle products customers consider together:
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.
Experience a significant performance upgrade with the S&S Cycle 4-inch Bore Power Pack, designed for 1999-2006 Harley-Davidson Big Twin engines. This premium kit increases your engine's displacement, delivering substantial gains in horsepower and torque. The Wrinkle Black finish adds a custom, aggressive look to your motorcycle's powerplant.
The S&S Cycle 4in Bore Power Pack is the ideal choice for riders looking to push the limits of their Twin Cam engine. This kit provides the foundation for a high-performance build, offering a thrilling ride with enhanced responsiveness and power. The Wrinkle Black finish is a popular choice for custom builds, providing a deep, lasting color.
For optimal results and engine longevity, professional installation is recommended. This power pack represents a significant investment in your motorcycle's performance and is backed by the quality assurance of S&S Cycle.
Upgrade your ride with the S&S Cycle 4in Bore Power Pack in Wrinkle Black, available now at GGCRACING.
| 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 |
Other popular S&S Cycle products customers consider together: