Comp Cams: COM 1730-1

10° Lightweight Tool Steel Retainer: 1.437"-1.500" Spring Dia. 

These new Tool Steel Retainers from COMP Cams® have a 10° angle and fit all stem sizes. Tool Steel Retainers provide the best of all valve train benefits: lightweight, as well as exceptional strength and wear characteristics. Approximately 33% lighter than conventional chrome-moly steel retainers and only 2-4 grams heavier than titanium (depending upon application), they are made from high-grade Tool Steel, making them able to withstand even the most demanding race applications. Developed using the latest FEA and CAD software, these retainers are CNC-machined for consistent quality and Spintron®-tested to extreme RPM.