Loading... Please wait...

Our Newsletter

CMS 5.0 Coyote Stage 4 Spring Kit - .575" lift

  • Image 1
Calculated at checkout

Product Description

Spring load at 1.575" 122lbs
Spring load at 1.000" 300lbs
Spring rate 308 lbs per inch
Coil bind .965"

The CMS / PAC Stage 4 RPM Series Valve Springs are the ultimate valve springs for 5.0L Coyote. These springs are capable of handling extreme RPM and Boost Pressures! TI-VCT Lockouts must be used and upgraded timing chains and guides are suggested. These Springs fit the Stock Coyote Retainers but we also offer optional PACTuff 6AL-4V Retainers. If you have a 5.0L Coyote and are planning on making over 30lbs of boost, this is the spring kit for you!
100% Made in the USA by PAC Racing, these Valve Springs and Retainers are the finest quality available for the 5.0L Coyote Cylinder Heads. 


Write your own product review

Product Reviews

This product hasn't received any reviews yet. Be the first to review this product!

Add to Wish List

Click the button below to add the CMS 5.0 Coyote Stage 4 Spring Kit - .575" lift to your wish list.

You Recently Viewed...