Supertech Valve Spring and Titanium Retainer Kit for Subaru WRX EJ20 & WRX STi EJ25 Turbocharged Engines
Supertech Valve Spring and Titanium Retainer Kit for Subaru WRX EJ20 & WRX STi EJ25 Turbocharged EnginesSet of 16 Valve Springs, 16 Titanium Retainers & SeatsSPRK-TS1015-SU3Type: Dual SpringOuter Spring: OD 27.50mm - ID 20.00mmInner Spring: OD 20.00mm - ID 15.20mmPress.Seat: 64lbs @ 35.60mmMax Lift: 15.30mmCoil Bind: 20.70mmRate: 12.10mmRetainer: RET-TS60/WRX1Spring: SPR-TS1015Seat: SEAT-TS/SUB3SPRK-TS1015-SU1Type: Dual SpringOuter Spring: OD 27.50mm - ID 20.00mmInner Spring: OD 20.00mm - ID 15.20mmPress.Seat: 70lbs @ 35.00mmMax Lift: 14.80mmCoil Bind: 20.70mmRate: 12.10mmRetainer: RET-TS60/WRX1Spring: SPR-TS1015Seat: SEAT-TS/SUBSPRK-TS1015-SU4Type: Dual SpringOuter Spring: OD 27.50mm - ID 20.00mmInner Spring: OD 20.00mm - ID 15.20mmPress.Seat: 82lbs @ 33.80mmMax Lift: 13.50mmCoil Bind: 20.70mmRate: 12.10mmRetainer: RET-TS60/WRX1Spring: SPR-TS1015Seat: SEAT-TS/SUB4SPRK-TS1015-IN-SU4Type: Dual SpringOuter Spring: OD 27.50mm - ID 20.00mmInner Spring: OD 20.00mm - ID 15.20mmPress.