Upgraded B58 Crank Pulley Fastener Kit

The OE B58 Fasteners are TTY (Torque to Yield), this method is cheap to produce in large quantity using mediocre material standards. This method of fastening allows each fastener to reach its maximum theoretical elongation to provide maximum clamping force given that material property and strength.  The major problem with this method is that the fasteners are not reusable. The second problem is that under scrutiny of clamp load 2 fasteners side by side are not applying the same appropriate force within reason.  If we cannot rely on even distribution of load, we cannot rely on these fasteners and its showing in the failures we are seeing. The third problem is the availability of replacements, this means a lot of these fasteners are not being replaced during engine rebuilds. The OE B58 Crank pulley fasteners may be fine for OE properties, but they are not adequate for increased output.  The Crank pulley is a 4-piece design friction welded together and specifically uses the 4 bolts to ho