Supertech 07-12 Mini Cooper R56 Beehive Valve Spring Kit

Beehive Valve Spring Kit includes Retainers 65 psi @ 33.60mm.  Developed for the performance enthusiast that wants the best the industry has to offer,  Specifications Seat Pressure: 65 @33.60mmOpen Pressure: 163 @10mmMax Lift: 11.40mmCoil Bind: 22.20mmOuter Spring ID: 16.80mmOuter Spring OD: 23.30mmInner Spring OD: 18.80mmInner Spring ID: 12.30mmRate: 9.80mmKit Spring: SPR-MC56BEKit Spring qty: 16Retainer: RET-MC56BERetainer qty: 16 Applications Peugeot - PrincePeugeot - EP6Opel - A18XEROpel - Z18LEROpel - Z16Mini - R56 N14 SMini - R56 N14 JCWMini - R56 N18 SMini - R56 N18 JCWPeugeot - Prince EP6Citroen - THP150Citroen - 175