Livernois Motorsports now offers drop-in valve springs for the new Ford 5.0L Coyote 4V engine. The new valve springs are designed to work with the factory hardware, but still over the additional spring pressure needed for aftermarket camshafts.
Official Release:
Livernois Motorsports 5.0L Coyote 4V Drop-In Spring Upgrade
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
Coil Bind: .950
Retail $319.99/set
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