This listing is for one set of brand new Supertech BeeHive Springs for Mini 1.6L W11 R53 Tritec Supercharged Includes = 16x Springs Only (Retainers + Seats Not Included) If Using OEM TRIPLE GROOVE Valves --> Use With Retainer RET-M65-TBE + SEAT-SS2717-2 + OEM Seat & OEM Keeper (Not Included) If Using Aftermarket Single Groove Valves --> Use With Retainer RET-M65-TBE + SEAT-SS2717-2 + OEM Seat + Supertech KPR-6T Keepers (Not Included) Part Number = SPR-HM1007BE (SPR-HM1007BE/MC / SPR-HM1007BE/MC2) .
