Supertech Dual Valve Spring and Titanium Retainer Kit for Nissan Skyline RB26 & RB26DETT 24v 2.6L Engines

Supertech Dual Valve Spring and Titanium Retainer Kit for Nissan Skyline RB26 & RB26DETT 24v 2.6L EnginesSet of 24 Dual Valve Springs, 24 Titanium Retainers and 24 Seats SPRK-M1007D/RBOuter Spring: OD 28.10mm - ID 20.00mmInner Spring: OD 20.00mm - ID 15.20mmType: Dual SpringPress.Seat: 92lbs @ 40.7mm IN & 82lbs @ 40.7mm EXMax Lift: 15.30mmCoil Bind: 24.70mmRate: 12.50mmRetainer: RET-NRB60/TSSpring: SPR-M1007D/RBSeat: SEAT-TS1015 IN & SEAT-TS1015/2 EXSPRK-TS1015/RB26Outer Spring: OD 27.50mm - ID 20.00mmInner Spring: OD 20.00mm - ID 15.20mmType: Dual SpringPress.Seat: 92lbs @ 33mmMax Lift: 12.30mmCoil Bind: 20.70mmRate: 12.10mmRetainer: RET-NRB60/TSSpring: SPR-TS1015/RB26Seat: SEAT-RB26/TS9Our 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 premi