531868 – BikersHouse https://www.bikershouse.gr Performance Products - Customizing for Harley Davidson Tue, 23 Dec 2025 15:20:46 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.2 https://www.bikershouse.gr/wp-content/uploads/2024/04/BH_logo_2048x2048_detailed_transparentcrop-100x100.png 531868 – BikersHouse https://www.bikershouse.gr 32 32 S&S S&S, Sidewinder valve spring kit. .650″ lift https://www.bikershouse.gr/product/ss-ss-sidewinder-valve-spring-kit-650-lift/ Tue, 23 Dec 2025 15:17:23 +0000 https://www.bikershouse.gr/product/ss-ss-sidewinder-valve-spring-kit-650-lift/ S&SS&S, Sidewinder valve spring kit. .650″ lift  531868

fits  84-99 Evo Big Twin; 99-04 Twin Cam; 86-03 XL Sportster (NU)

Kit includes beehive springs, chromoly forged top collars, steel bottom collars, valve keepers and shims. Works with both 7mm and 5/16″ valve stems and all S&S SuperStock® heads (5/16″) valve stems. Springs are single wire conical (beehive) style springs, manufactured from clean high silicon Kobe alloy wire then micro shot peened and nitrided. 650″ valve lift. 1.860″ installed height, 178lbs valve seat spring pressure and 376lbs@.650″ lift. Maximum 6500 RPM.

 

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Home > Parts > Engine > Top End > Valves > Springs & Spring Kits > S&S, Sidewinder valve spring kit. .650″ lift

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