Livernois Motprsorts 5.0L 4V Drop-In Spring Upgrade (Set of 32)
This spring is the only true drop-in performance spring for the 5.0L 4-valve engine.
No added cost for special retainers, spring cups, or seals
No machining necessary
Designed to work with all factory hardware
Give added spring pressure needed for most aftermarket camshafts
Eliminate valve float to reduce the risk of any engine damage in high lift or RPM applications
Specifications:
Install Height: 1.575
Max. Valve Spring Lift: .580
Spring Pressure Closed: 70lbs
Spring Pressure Open: 190
Model | Year(s) |
---|---|
Boss 302 | 2012 2013 |
Mustang GT 5.0L | 2011 2012 2013 |