S&S CYCLE .650" Lift Sidewinder® Valve Spring Kit for '84-'04 Big Twins and '86-'03 HD® Sportster® Models - .650" 900-0050
🚚 Estimated Delivery: 25 May - 01 Jun
Sidewinder® .650" Valve Spring Kits for Twin Cam 88® big twins w/ stock heads (both 7mm and 5/16” valve stems) and all S&S Super Stock® heads (5/16” valve stems). Works well with cams up to .650" lift. Manufactured from ultra clean high silicon Kobe alloy wire then micro shot peened and nitrided. CNC machined 9˚ locks. High performance conical single wire spring. Chromoly forged retainers. Kit contains: Valve keepers, Top & Bottom collars, Springs, Shims.
- Include springs, upper and lower collars and keys
- For valve lift to .650" (EU: 1,65 cm) with 1.860" (EU: 4.72 cm) /178 lbs. (EU: 80,74 kg) installed height, 376 lbs. (EU: 170,55 kg) at max lift
- Max 6500 rpm
- Made in the U.S.A.
NOTE: S&S recommends roller rocker arms be used with lifts over .585"
Fitment Guide
| 2004 | Harley-Davidson | FLHRS Road King Custom | - | - |
| 2004 | Harley-Davidson | FLHRSI Road King Custom | - | - |
| 2004 | Harley-Davidson | FXDLI Dyna Low Rider | - | - |
| 2004 | Harley-Davidson | FXSTDSE2 Screamin Eagle Softail Deuce 2 | - | - |
| 2004 | Harley-Davidson | FXDI Dyna Super Glide | - | - |
| 2004 | Harley-Davidson | FXDXI Dyna Super Glide Sport | - | - |
| 2004 | Harley-Davidson | FXDWGI Dyna Wide Glide | - | - |
| 2003-2004 | Harley-Davidson | FXSTDSE Screamin Eagle Softail Deuce | - | - |
| 2003-2004 | Harley-Davidson | FLHTI Electra Glide Standard | - | - |
| 2003 | Harley-Davidson | FLHRSEI2 Screamin Eagle Road King 2 | - | - |
| 2002-2004 | Harley-Davidson | FLHRSE3 Screamin Eagle Road King | - | - |
| 2002-2003 | Harley-Davidson | 1200 XLCP | - | - |
| 2002-2003 | Harley-Davidson | XL883R Sportster 883 Roadster | - | - |
| 2002-2003 | Harley-Davidson | 1200 Custom EFI XLC | - | - |
| 2002-2003 | Harley-Davidson | 883 Roadster EFI XLR | - | - |
| 2002 | Harley-Davidson | FXDWG3 CVO Dyna Wide Glide | - | - |
| 2002 | Harley-Davidson | FLHRSEI Screamin Eagle Road King | - | - |
| 2001-2004 | Harley-Davidson | FXSTDI Softail Deuce | - | - |
| 2001-2004 | Harley-Davidson | FLSTCI Heritage Softail Classic | - | - |
| 2001-2004 | Harley-Davidson | FXSTI Softail Standard | - | - |
| 2001-2004 | Harley-Davidson | FLSTFI Fat Boy | - | - |
| 2001-2004 | Harley-Davidson | FXSTSI Springer Softail | - | - |
| 2001-2004 | Harley-Davidson | FXSTBI Night Train | - | - |
| 2001-2003 | Harley-Davidson | FXDXT Dyna Super Glide T-Sport | - | - |
| 2001-2003 | Harley-Davidson | FLSTSI Heritage Springer | - | - |
| 2001 | Harley-Davidson | FLTRSEI2 Screamin Eagle Road Glide 2 | - | - |
| 2001 | Harley-Davidson | FXDWG2 CVO Dyna Wide Glide | - | - |
| 2000-2004 | Harley-Davidson | FLHRI Road King | - | - |
| 2000-2004 | Harley-Davidson | FLHTCSE Screamin Eagle Electra Glide | - | - |
| 2000-2004 | Harley-Davidson | FXSTD Softail Deuce | - | - |
| 2000-2003 | Harley-Davidson | Wide Glide EFI FXDWGI | - | - |
| 2000-2002 | Harley-Davidson | Electra Glide Standard EFI FLHTI | - | - |
| 2000 | Harley-Davidson | FLTRSEI Screamin Eagle Road Glide | - | - |
| 1999-2004 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU | - | - |
| 1999-2004 | Harley-Davidson | FLHTC Electra Glide Classic | - | - |
| 1999-2004 | Harley-Davidson | FXDX Dyna Super Glide Sport | - | - |
| 1999-2004 | Harley-Davidson | FLHRCI Road King Classic | - | - |
| 1999-2004 | Harley-Davidson | FLHT Electra Glide Standard | - | - |
| 1999-2004 | Harley-Davidson | FLTRI Road Glide | - | - |
| 1999-2004 | Harley-Davidson | Electra Glide Police FLHTPI | - | - |
| 1999-2004 | Harley-Davidson | FLHTCI Electra Glide Classic | - | - |
| 1999-2004 | Harley-Davidson | FLTR Road Glide | - | - |
| 1999-2004 | Harley-Davidson | FLHR Road King | - | - |
| 1999-2004 | Harley-Davidson | FLHTCUI Electra Glide Ultra Classic | - | - |
| 1999-2004 | Harley-Davidson | FLSTS Heritage Springer | - | - |
| 1999-2004 | Harley-Davidson | FXSTB Night Train | - | - |
| 1999-2004 | Harley-Davidson | Electra Glide Police FLHTP | - | - |
| 1999-2004 | Harley-Davidson | FLSTC Heritage Softail Classic | - | - |
| 1999-2004 | Harley-Davidson | FLSTF Fat Boy | - | - |
| 1999-2004 | Harley-Davidson | FXD Dyna Super Glide | - | - |
| 1999-2004 | Harley-Davidson | FXDL Dyna Low Rider | - | - |
| 1999-2004 | Harley-Davidson | FXDWG Dyna Wide Glide | - | - |
| 1999-2004 | Harley-Davidson | FXST Softail Standard | - | - |
| 1999-2004 | Harley-Davidson | FXSTS Springer Softail | - | - |
| 1999-2003 | Harley-Davidson | XL883C Sportster 883 Custom | - | - |
| 1999-2003 | Harley-Davidson | 883 Custom EFI XLC | - | - |
| 1999-2003 | Harley-Davidson | Sportster 1200 XLH | - | - |
| 1999-2000 | Harley-Davidson | FXDS-Conv Dyna Convertible | - | - |
| 1999 | Harley-Davidson | Road King EFI FLHR | - | - |
| 1999 | Harley-Davidson | FXSTC Softail Custom | - | - |
| 1998 | Harley-Davidson | 883 Custom XLC | - | - |
| 1995-2003 | Harley-Davidson | XL1200C Sportster 1200 Custom | - | - |
| 1995-2003 | Harley-Davidson | XL1200S Sportster 1200 Sport | - | - |
| 1988-2003 | Harley-Davidson | XLH1200 | - | - |
| 1988 | Harley-Davidson | Sportster 1100 XLH | - | - |
| 1987-2003 | Harley-Davidson | XLH883HUG Sportster 883 Hugger | - | - |
| 1987, 1989-2003 | Harley-Davidson | Sportster 883 XLH | - | - |
| 1986-2003 | Harley-Davidson | XLH883 | - | - |
| 1986-1996 | Harley-Davidson | XLH883DLX Sportster 883 Deluxe | - | - |
| 1986-1987 | Harley-Davidson | XLH1100 | - | - |
| 1984 | Harley-Davidson | Disc Glide FXRDG | - | - |
Specs
| PRODUCT NAME | SPRING KIT |
| TYPE | VALVE |
| APPLICATION | EXHAUST / INTAKE |
| MODEL | SIDEWINDER |
| SPRING SEAT PRESSURE | 178 LB |
| SPRING OPEN PRESSURE | 376 LB |
| SPRING LIFT | 0,650" / 0.650" |
| UNITS | KIT |
| RIDING STYLE | STREET |
Delivery Info
Please Note - Warehouse Locations For This Part -
S&S CYCLE .650" Lift Sidewinder® Valve Spring Kit for '84-'04 Big Twins and '86-'03 HD® Sportster® Models - .650" 900-0050
Gold Coast Warehouse- If your parts are in stock at our Gold Coast warehouse at the time of order, they will be shipped within 24hrs.
Supplier Warehouse - 2-3 Week Delivery- If your parts are located at our Supplier Warehouse, Delivery ETA is approx 2-3 weeks, as the parts are likely coming from our USA supplier warehouse. We will notify you once we receive it in Gold Coast warehouse and its on its way to you.