MerCruiser 10-42253 14-42254 Power Steering Tube Bolts Steering Pin Screws Pivot Carburetor Center hole is 2

Center hole is 2

Appears to be generally used on GM V6 Vortec engines 1997-2007 (So possibly some MerCruiser models as well)

If you do know what this is from

5hp model listed above from my disassembly

MerCruiser 10-42253 14-42254 Power Steering Tube Bolts Steering Pin Screws Pivot Carburetor Center hole is 2Item Details Used with all MerCruiser Power plants (Steering Tube or Steering actuator) (1983 1998) (Fill in any engine here.., 2. 5L 120hp, 3. 0L 140hp, 4. 3L V6, 5. 0L V8 305, 5. 7L V8 350 Alpha one, Bravo, etc.) Freshwater Used Part Price is for the complete set you see pictured here (2 bolts, 2 washers) Part numbers 42253 Pivot bolt Pin 42254 Washer with tabs (you'll have to bend the tabs back to lock the bolts in place) You'll get a nice clean