a.

Standard Trans:  The drivers-side casting ear will require trimming by 3/8" for header tube clearance   ...see photo detail

b.

90º Oil Filter Adapter Bolt:  Oil filter adapters are supplied with either a 3/4" or a 1-3/16" hex head mounting bolts.

If your adapter came with the 1-3/16" bolt, modification will be required by machining bolt head to .175 thickness   ...bolt detail