Flaming River FR312PK Corvette Power Steering Pump Kit - Manual (Page 7)

11) Using the spacer (15) provided attach the alternator adjust-
ing bracket to the alternator using the 5/16-18x1 (12) and 5/16
lock washer (1). (installed picture shown below)
(15) Spacer
(12) 5/1618x1 bolt
(1) 5/16 Lock washer
12) Re-install and adjust tension on all belts making sure to
tighten the adjustment bolts shown in the pictures.