Cosworth High RPM Valve Springs are wound from the worlds finest Japanese Kobe steel and feature dual chamfered ends to reduce wear on seats and retainers. These High performance springs have been engineered with increased seat pressure along with higher lift capability for optimum performance potential and improved valve control.
Single spring design allows easy installation with no machining required and is perfect for typical high performance use. Compatible with OE spring retainers.
WARNING: Cancer and Reproductive Harm
Mitsubishi Evolution X