Skip to content

S&S CYCLE .650" Lift Sidewinder® Valve Spring Kit for '84-'04 Big Twins and '86-'03 HD® Sportster® Models - .650" 900-0050

SKU 900-0050
Original price $470.95 - Original price $470.95
Original price
$470.95
$470.95 - $470.95
Current price $470.95

🚚 Estimated Delivery: 02 Sep - 09 Sep

CONFIRM FITMENT BEFORE ORDERING

Please confirm fitment for your bike below as we do not accept returns on parts ordered incorrectly.

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.

Fitment Guide