
Supertech Dual Valve Spring and Titanium Retainer Kit for the BMW M50 M52 M54 24v Engines
Supertech Dual Valve Spring and Titanium Retainer Kit for the BMW M50 M52 M54 24v EnginesSet of 24 Dual Valve Springs, 24 Titanium Retainers & Seats SPRK-H1000D/BMOuter Spring: OD 29.65mm - ID 21.85mmInner Spring: OD 20.50mm - ID 15.50mmType: Dual SpringPress.Seat: 80lbs @ 35.70mmMax Lift: 12.70mmCoil Bind: 20.70mmRate: 11.50mmRetainer: RET-AU5VE/T1Spring: SPR-H1000D/BMSeat: SEAT-BM60SPRK-H1005D/BMOuter Spring: OD 29.65mm - ID 21.85mmInner Spring: OD 20.50mm - ID 15.50mmType: Dual SpringPress.Seat: 94lbs @ 35.70mmMax Lift: 12.70mmCoil Bind: 20.70mmRate: 11.50mmRetainer: RET-AU5VE/T1Spring: SPR-H1005D/BMSeat: SEAT-BM60Our 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 premium super clean Chrome Silicon Vanadium Steel alloy for higher performance &