Please note the above image does not show full spring kit. Creates higher load, higher RPM and more lift capacity than stock parts. Complete kit
includes (32) springs, (32) retainers, (32) seats, and (32) Seals.
- Increased valve control over stock springs (especially at high RPM) thanks to a performance-driven design and proven modular engine track record
- Fits 2011-2014 and 2015-Later
Ford Coyote and Boss 5.0L engines
| Max Lift |
Seat Load |
Open Load |
Rate |
Coil Bind |
Outer Diameter |
Inner Diameter |
| .600" |
120 lbs @ 1.57" |
275 lbs @ 1.02" |
258 lbs/in |
.970" |
Top 1.013" / Bottom 1.101" |
Top .650" / Bottom .738" |
Please note the above image does not show full spring kit.
