Ferrea Dual Valve Spring Set
The design and processes on these dual valve springs are optimized to reduce valvetrain harmonics and provide greater stability on high horsepower applications. We use high grade premium super-clean PAC alloy materials and maintain tight tolerances for those unique aftermarket cylinder heads.
- This Spring requires Ferrea Titanium Retainer # E11052 and Ferrea Spring Seat Locator # SL1041
- Type/Material/Application: Dual Spring - Turbo - Special Alloy
- Outside Diameter: 22.85 mm/30.45 mm
- 2003-2006 Mitsubishi Lancer Evolution
What's In The Box?
- 16 Dual Valve Springs