Supertech Dual Valve Spring Kit for Evo X Electric • Easy removal design

• Easy removal design

These COP kits are hand assembled and recently we've been waiting on components for them to be completed

(1) Valve cover with gasket installed

• For QM Clutch with 5-Speed HRB

• Self-tapping screws feature a built-in washer face for maximum holding strength

Supertech Dual Valve Spring Kit for Evo X Electric • Easy removal designSupertech dual valve spring kits for 4B11 Evo X. Includes 16 dual springs, 16 titanium retainers and 16 valve seats. Please do all your research and consult your engine builder if necessary! Vehicle Fitment: 2008 2015 Evolution X Purchase Includes: (16) Dual Valve Springs (16) Titanium Retainers (16) Valve Seats Part Number: Seat Pressure: Open Pressure: Details: SPRK M1012 EX1 75 @ 34. 50 185 @ 11. 50 Max Lift: 14. 50mm Coil Bind: 20. 00mm Rate: 9.