High Lift Valve Spring Kit 500" To 650" Lift For 66-84 Shovelhead (NU)

ManleySKU: 514001
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Price:
Sale price£256.99

Condition: Brand New
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Description & Size Guide

Includes titanium top collars; steel lower collars; valve springs and a valve key set. Machining required to lower the valve guide to avoid interference with the top collar. Special 3-spring design with interference fit to reduce harmonics and control spring surge. Springs have more pressure than stock. Pressure: 180lbs - 1.600" / 365lbs -1.100" / 415lbs - .950". Coil bind: .850"

66-84 Shovelhead (NU)

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