Description Reviews MINI OEM Rod Bolts for all Gen 2 Mini Coopers. Fits all N12, N14, N16, & N18 motors. The R55, R56, R57, R58, R59, R60, R61, MINI Cooper and MINI Cooper S. Sold as a set of 2, rod bolts should always be replaced as a pair. The OEM bolts are one time use only. We highly recommend using the ARP Rod Bolts. Note: You will need a 12 point 9mm socket & 3/8 drive torque wrench.