Supertech Beehive Valve Spring and Titanium Retainer Kit for 2000-2006 Mini Cooper S Supercharged 1.6L Engines

Beehive Valve Spring and Titanium Retainer Kit for 2000-2006 Mini Cooper S Supercharged 1.6L Engines SPRK-HM1007BE/MC - MC2Type: Beehive Spring Press.Seat: 75lbs @ 39mm Max Lift: 16.20mm Coil Bind: 22.80mm Rate: 12.80mm Retainer: RET-M65/TBE Spring: SPR-HM1007BE-MC Seat: SEAT-SS2717-2 + OEM SeatKeepers (Locks): Triple Groove Will Reuse OEM Single Groove Will Include KPR-6T-STOur 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 & durability at high rpms. Using high quality steel alloy also provides the added benefit of better structural memory for all of our springs, giving your performance racing engine a serious competitive advantage. Supertech retainers are manufactured wit