Details
Crower 4.6L/5.4L 4V Modular Valve Spring Kit with Steel Retainers
Engineered Component Kit
32 High Pressure spring and 32 steel retainers.Daily street use.
Spring pressure:
seat: 1.420'@ 76lbsnose: 0.910'@244lbscoil bind: 0.850'no machine work required