513991 – BikersHouse https://www.bikershouse.gr Performance Products - Customizing for Harley Davidson Tue, 23 Dec 2025 07:10:46 +0000 en-US hourly 1 https://wordpress.org/?v=7.1 https://www.bikershouse.gr/wp-content/uploads/2024/04/BH_logo_2048x2048_detailed_transparentcrop-100x100.png 513991 – BikersHouse https://www.bikershouse.gr 32 32 Manley Manley, valve spring kit. Std to .490″ lift https://www.bikershouse.gr/product/manley-manley-valve-spring-kit-std-to-490-lift/ Tue, 23 Dec 2025 07:09:42 +0000 https://www.bikershouse.gr/product/manley-manley-valve-spring-kit-std-to-490-lift/ ManleyManley, valve spring kit. Std to .490″ lift  513991

fits  57-85 XL Sportster (NU)

Incl. steel top collars and dual spring style valve springs. No machining required for installation. 20% more pressure than stock and suitable for stock to .490″ lift applications. Valve springs have an interference fit to reduce harmonics and control spring surge. Pressure: 85lbs@1.310″, 295lbs@.820″. Coil bind: .790″.

 

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Home > Parts > Engine > Top End > Valves > Springs & Spring Kits > Manley, valve spring kit. Std to .490″ lift

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