DescriptionXceldyne, the leader in world class racing Valvetrain components, Built with the quality and engineering you’ve come to expect from Xceldyne’s successful racing heritage at extraordinary value! XCELDYNE Premium Steel Retainers are the racers choice they are made with the finest materials available. with extraordinary features, tightest tolerances and best finishes.Proprietary steel alloyengineered utilizing FEA (finite Element Analysis) & Spintron TestingLightweight design reduces weight nearly to Ti Retainer StandardsSuper Wear characteristics between matching valve spring & retainer Particularly in high endurance applications
