DescriptionTITANIUM VALVE SPRING RETAINERProduct Features:20-40 Percent Stronger Than Other RetainersHeat Treated 100 Percent Aircraft Quality Bar Stock MaterialAll Valve Stem SizesStep Dia. Inner 0.740/Outer 1.140Super 7 Deg (8°). V. Lock No. VL600 (5/16)/VL700 (11/32)/VL800 (3/8)Titanium Valve Spring Retainer