Supertech Dual Valve Spring and Titanium Retainer Kit for BMW M3 (E36) Euro S42 16v 2.0L Race Engines

Supertech Dual Valve Spring and Titanium Retainer Kit for BMW M3 (E36) Euro S42 16v 2.0L Race Engines Set of 16 Dual Valve Springs, 16 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 perfo