ARP's fasteners are built to withstand serious racing and have higher tensile strengths and can survive higher stresses than most aircraft fasteners will ever see.  Complete kits come with motor primary and transmission bolts. Excluding case  bolts which will be sold separately As a kit in the near future.  This is one of our newest products please allow 4-6 week shipping time (blue, oil , purple  ) due to demand and materials on being scarce. International order are responsible for return shipping fee  if there is a return.