LTZ400/LTR450 CV4 Valve Spring Retainers
- Lightweight CNC-machined titanium retainers greatly reduce valvetrain mass and increase engine RPM
- Increases valve spring life over heavier, stock steel retainers
- Use in conjunction with most stock springs and all of CV4’s racing valve springs
- When used with Xceldyne’ machined valve locks, you have a perfect retainer/lock/stem fit for unprecedented high-rpm valve train control
- Sold as a kit of 2