Upgrading your valve springs is a no brainer when it comes to producing power with your 2.5L engine. This Single Valve Spring kit is good in most applications allowing a healthy rev limiter when used with a forced induction setup. For added RPM's or a further peace of mind go with the Dual Valve Spring kit. Each kit includes Titanium Retainers for the most reliable and light weight setup. The OEM seat pressure is intended to work with relatively light applications. If you plan on pushing your motor beyond the 7k redline you’d better have the necessary components to hang, and we’ve got just what you’re looking for.
There are three options to choose from depending on your usage:
Single Spring Kit:
Light Double Spring Kit:
Heavy Double Spring Kit: