Manley titanium valve spring retainers are a great way to lighten your valve train in order to rev higher and make more power. They're manufactured from special heat-treated 6AL 4V titanium alloy, selected to deliver maximum strength and reliability. These retainers are excellent for all types of racing using double valve springs and are designed for valve stem locks with a 7 degree taper.
Retainer dimensions are outside diameter of outer spring 1.500", outside diameter of middle spring 1.035", and inside diameter of inner spring 0.705". Retainers are sold in a set of sixteen and are .100" tall design that add .100" to spring installed height.
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