converting manuel stering to power steering ,what pully do i need on crank?i have no acceries,only alt/fan belt.69 chevelle 396.anybody have part# or what aftermarket to buy.i dont want a 3 grove pully because i dont have anything else.balt built car no smog.any sugestions,help.thanks.

you need the 2 groove pulley.
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AHQ-1396 is the part #