S&S Cycle 106-5909 Sidewinder® .650" Valve Spring Kit for 2005-'18 Big Twins and 2004-'19 HD® Sportster® Models mens delivering rugged durability and iconic

delivering rugged durability and iconic style for every journey

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S&S Cycle 106-5909 Sidewinder® .650" Valve Spring Kit for 2005-'18 Big Twins and 2004-'19 HD® Sportster® Models mens delivering rugged durability and iconicS&S Cycle 106 5909 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, and chromoly forged retainers. Works well with cams up to . 650" lift. High performance conical single wire spring. Kit contains: Valve keepers, Top & Bottom collars, Springs, Shims. Install Instructions DownloadFITMENT DISCLAIMER Fitment information is provided as a