Livernois Motorsports 5.0L 4V Drop-In Spring Upgrade

[99saleenspeedster]

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

These can be found here

Thank you

Regards,

Rick LeBlanc
Livernois Motorsports

 

[99saleenspeedster]

FYI:

Specs on the stock spring are as follows:

Install Height: 1.575
Max. Valve Spring Lift: .500
Spring Pressure Closed: 60lbs
Spring Pressure Open: 153
Coil Bind: 1.005

Thank you,

Rick