STS RWD V8-4.6L (2007)
Important: Northstar engines 2005 and older have an 8 x 1.25 mm flywheel/flexplate crankshaft bolt hole thread. Northstar engines 2006
and later have an 11 x 1.5 mm flywheel/flexplate crankshaft bolt hole thread.
5. Remove the proper sized bolts from the J 45930-A. Use the bolts (2) 8 mm or the bolts (3) 11 mm.
6. Install the EN-48072 pilot base onto the crankshaft. The hub on the crankshaft will fit into the recess on the inboard side of the EN-48072 pilot
base.