manley valve spring retainer, titanium, super 7 degree, 1.560 in. od., set of 16

Manley titanium valve spring retainers are a great way to lighten your valvetrain, in order to rev higher and make more power. They're manufactured in Manley's own CNC turning centers from special heat-treated 6AL 4V titanium alloy, selected to deliver maximum strength and reliability. These retainers are excellent for all types of racing.