This high performance coil pack from MSD ignition is designed as a direct replacement for Gen 1 Mini Cooper S models including JCW variants. The coil pack produces a higher output voltage than a standard coil which creates a stronger spark at the plug improving engine efficiency and power.Higher voltage output provides improved engine efficiency and powerIdeal for use on standard or tuned vehiclesDirect replacement for R50, R52 and R53 Mini Cooper S including JCW modelsImproves engine performance, fuel economy and drivabilitySpecifications:Max Voltage: 36,000 voltsInductance: 7mHPrimary Resistance: 0.51 OhmsSecondary Resistance:12k OhmsTurns Ratio:77:1Please Note: On some applications longer bolts are required for installation, these are not included.