MANLEY, VALVE SPRING. STOCK TO .495" LIFT

Manley, valve spring. Stock to .495" lift

Includes titanium top collars, steel lower collars and valve springs. No machining required for installation. Titanium top collars are considerably lighter than their steel counterparts and will therefore allow higher engine revs. Can be used for stock replacement and up to .495" lift. Pressure: 160lbs@1.480". 315lbs@.985". Coil bind: .880". Note: Valve keys are not included.

Fits: > 66-79 Shovelhead (NU)