S&S Cycle Sidewinder Valve Spring Kit - 900-0050

Item # : 208709

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  • Manufacturer: S and S Cycle


S&S Sidewinder Valve Spring Kit - .650" Lift


  • Works well with cams up to .650in. lift
  • Manufactured from ultra clean high silicon Kobe alloy wire then micro shot peened and nitrided
  • CNC machined 9deg. locks
  • High performance conical single wire spring
  • Chromoly forged retainers
  • Fits 5/16in. valve stems

Manufacturer Part Number: 900-0050

Installation Instructions