COMP Cams Spring Kit for Ford Coyote Boss 5.0L Engines .550" Max Lift

COMP Cams Spring Kit for Ford Coyote & Boss 5.0L — .550" Max Lift Upgrade valve control on your Ford Coyote or Boss 5.0L with this precision-engineered COMP Cams spring kit. Designed for applications up to .550" max lift , the kit delivers consistent seat and open loads for reliable performance at high RPM. Compatibility: Ford Coyote and Boss 5.0L engines Maximum Lift: .550" Seat Load: 93 lbs @ 1.57" Open Load: 198 lbs @ 1.02" Spring Rate: 191 lbs/in Coil Bind: .952" Outer Diameter: Top .959" / Bottom 1.061" Inner Diameter: Top .636" / Bottom .738" Engineered for durability and consistency, these springs improve valve stability, reduce float, and support aggressive cam profiles. Ideal for performance builds, track use, and those seeking reliable high-RPM operation. Note: Product image may not depict the complete spring kit. Verify contents with your vendor prior to installation.