S&S Cycle Big Twin For S&S Heads Using Stock Rocker Cover Gasket
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S&S Cycle Big Twin For S&S Heads Using Stock Rocker Cover Gasket
Replace a worn gasket or seal with this S&S Cycle service component. Match the engine or S&S component family, dimensions, and MPN before installation.
Key Features
- Rocker box base gasket for S&S Super Stock heads with stock bolt pattern for 1999-2017 Big Twin and S&S T-Series engines
Product Details
- Brand: S&S Cycle
- Manufacturer Part Number: 90-4120
- Product Type: Gasket/Seal
- Application Focus: Harley Touring
Fitment
| Year | Make | Model |
|---|---|---|
| 1999-2014 | Harley-Davidson | FLHR Road King |
| 2008-2013 | Harley-Davidson | FLHRC Road King Classic |
| 2004-2007 | Harley-Davidson | FLHRS Road King Custom |
| 1999-2009 | Harley-Davidson | FLHT Electra Glide Standard |
| 2003,2009-2013 | Harley-Davidson | FLHTC Electra Glide Classic |
| 2009-2014 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 2009 | Harley-Davidson | FLHTCUSE4 CVO Ultra Classic Electra Glide |
| 2010 | Harley-Davidson | FLHTCUSE5 CVO Ultra Classic Electra Glide |
| 2009,2011-2014 | Harley-Davidson | FLHTCUTG Tri Glide Ultra |
| 2009-2013 | Harley-Davidson | FLHTCUTG Tri Glide Ultra Classic |
| 2010-2014 | Harley-Davidson | FLHTK Electra Glide Ultra Limited |
| 2006-2014 | Harley-Davidson | FLHX Street Glide |
| 2014 | Harley-Davidson | FLHXS Street Glide Special |
| 2011 | Harley-Davidson | FLHXSE2 CVO Street Glide |
| 2012 | Harley-Davidson | FLHXSE3 CVO Street Glide |
| 2012-2014 | Harley-Davidson | FLS Softail Slim |
| 2006 | Harley-Davidson | FLST Heritage Softail |
| 2000-2014 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 2000-2014 | Harley-Davidson | FLSTF Fat Boy |
| 2010-2014 | Harley-Davidson | FLSTFB Fat Boy Lo |
| 2005-2014 | Harley-Davidson | FLSTN Softail Deluxe |
| 2014 | Harley-Davidson | FLSTNSE CVO Softail Deluxe |
| 2000-2003 | Harley-Davidson | FLSTS Heritage Springer |
| 2008-2011 | Harley-Davidson | FLSTSB Cross Bones |
| 1999-2002,2007-2009 | Harley-Davidson | FLTR Road Glide |
| 2009 | Harley-Davidson | FLTRSE3 CVO Road Glide |
| 2011-2013 | Harley-Davidson | FLTRU Road Glide Ultra |
| 2010-2013 | Harley-Davidson | FLTRX Road Glide Custom |
| 2012 | Harley-Davidson | FLTRXSE CVO Road Glide Custom |
| 2008-2009 | Harley-Davidson | FXCW Rocker |
| 2008-2011 | Harley-Davidson | FXCWC Rocker C |
| 1999-2005,2007-2010 | Harley-Davidson | FXD Dyna Super Glide |
| 2007-2014 | Harley-Davidson | FXDB Street Bob |
| 2005,2007-2014 | Harley-Davidson | FXDC Super Glide Custom |
| 2008-2014 | Harley-Davidson | FXDF Fat Bob |
| 2009 | Harley-Davidson | FXDFSE CVO Dyna Fat Bob |
| 1999-2005,2007-2009,2014 | Harley-Davidson | FXDL Dyna Low Rider |
| 2014 | Harley-Davidson | FXDL Low Rider |
| 1999-2005,2007-2008,2010-2014 | Harley-Davidson | FXDWG Dyna Wide Glide |
| 2001 | Harley-Davidson | FXDWG2 CVO Dyna Wide Glide |
| 2002 | Harley-Davidson | FXDWG3 CVO Dyna Wide Glide |
| 1999-2005 | Harley-Davidson | FXDX Dyna Super Glide Sport |
| 2004-2005 | Harley-Davidson | FXDXI Dyna Super Glide Sport |
| 2001-2003 | Harley-Davidson | FXDXT Dyna Super Glide T-Sport |
| 2011-2013 | Harley-Davidson | FXS Blackline |
| 2014 | Harley-Davidson | FXSB Breakout |
| 2013 | Harley-Davidson | FXSBSE CVO Breakout |
| 2000-2007 | Harley-Davidson | FXST Softail Standard |
| 2000-2009 | Harley-Davidson | FXSTB Night Train |
| 2001-2006 | Harley-Davidson | FXSTBI Night Train |
| 2008,2010 | Harley-Davidson | FXSTC Softail Custom |
| 2000-2007 | Harley-Davidson | FXSTD Softail Deuce |
| 2000-2006 | Harley-Davidson | FXSTS Springer Softail |
| 2009 | Harley-Davidson | FXSTSSE3 CVO Softail Springer |
Clear fitment details, manufacturer part numbers, and rider-focused support make it easier to match the right Harley performance or replacement part before your bike is apart.
Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–4 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!
Changed your mind? No problem. Most new, unused, and uninstalled items can be returned within 30 days of delivery.
We do not charge a standard restocking fee. Customers are responsible for return shipping unless the item arrived damaged, defective, or incorrect.
Items must be returned in original packaging and in resalable condition.
We are committed to providing quality products and stand behind our items with a warranty. Exact coverage may vary, so please refer to our warranty page for more details!
