You talking manual trans?
As long as the threads are the same it should bolt right on.
Even if they are not you can redrill/retap or helicoil to make them all the same.
https://67-72chevytrucks.com/vboard/...t=knob&page=12
K
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'63 LeMans Convertible
'63 Grand Prix
'65 GTO - original, unrestored, Dad was original owner, 5000 original mile Royal Pontiac factory racer
'74 Chevelle - original owner, 9.56 @ 139 mph best
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My Pontiac Story: http://forums.maxperformanceinc.com/...d.php?t=560524
"Intro from an old Assembly Plant Guy":http://67-72chevytrucks.com/vboard/s...d.php?t=342926