S&S, Sidewinder valve spring kit. .650" lift

S&S, Sidewinder valve spring kit. .650″ lift

€339.10

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

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Tuotetunnus (SKU): 531868 Osasto: Avainsana tuotteelle Tuotemerkki:

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 SuperStockr 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.