Supertech Dual Valve Spring Kit for Evo X Seat Pressure::75 @ 34.50 (SPRK-M1012-EX1) • Capable of flowing well

• Capable of flowing well over 10 GPM

• Set of 20 Weighs 2

• Lightweight design with offset wrist pin for quiet start-ups

The Buschur Racing Air Filter Shield is NEEDED when running an open element air filter on the Evo X

Supertech Dual Valve Spring Kit for Evo X Seat Pressure::75 @ 34.50 (SPRK-M1012-EX1) • Capable of flowing wellSupertech 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.