Manley
10 Degree Titanium Valve Spring Retainers +.100 23679-16
10 Degree Titanium Valve Spring Retainers +.100 Valve Spring Retainer - Lightweight - 10 Degree - 1.035 in / 0.705 in OD Steps - 1.500 in Dual Spring - Plus 0.100 - Titanium - Set of 16