Supertech Dual Valve Spring Kit for Evo X Clevite second ring and oil ring

second ring and oil ring are all included in a complete set for 4 pistons

Supertech dual valve spring kits for 4G63 Evo

(1) O-Ring (20886)

(2) Banjo Fitting w/ Bolt M18 x -10AN

Supertech Dual Valve Spring Kit for Evo X Clevite second ring and oil ringSupertech 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.