Performance driven, race proven!
Specializing in Late Model Ford, GM, and Chrysler Performance Parts, Service, and Tuning!
These springs are the only true drop-in performance springs for the 5.0L 4-valve engine.
Install Height: 1.575
Max. Valve Spring Lift: .580
Spring Pressure Closed: 70lbs
Spring Pressure Open: 190
Coil Bind: .950