Supertech Dual Valve Spring and Titanium Retainer Kit for Nissan GTR VR38DETT 24v 3.8L V6 Engines

Dual Valve Spring and Titanium Retainer Kit for Nissan GTR VR38DETT 24v 3.8L V6 EnginesSet of 24 Dual Valve Springs, 24 Titanium Retainers and 24 Seats SPRK-TS1015/GTROuter Spring: OD 27.50mm - ID 20.00mmInner Spring: OD 20.00mm - ID 15.20mmType: Dual SpringPress.Seat: 88lbs @ 34.2mmMax Lift: 13.50mmCoil Bind: 20.70mmRate: 12.10mmRetainer: RET-TS5.5/T8 & RET-TS5.5/T9Spring: SPR-TS1015/GTRSeat: SEAT-TS/GTR & SEAT-TS/GTR-2SPRK-TS1012/GTROuter Spring: OD 27.50mm - ID 20.00mmInner Spring: OD 20.00mm - ID 15.20mmType: Dual SpringPress.Seat: 78lbs @ 34.2mmMax Lift: 14.20mmCoil Bind: 20.00mmRate: 10.50mmRetainer: RET-TS5.5/T8 & RET-TS5.5/T9Spring: SPR-TS1012/GTRSeat: SEAT-TS/GTR & SEAT-TS/GTR-2Our valve springs are computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue. We also utilize computer software that allows us to ensure that the harmonics are under control. All Supertech valve springs are made with pr