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**57taskforce** · 04-26-2023, 06:36 PM

It’s not going to be bolt in, the spring perch widths are different between the two as well as the shock mount locations. You will have to cut the old perches and shock mounts off and weld new ones on.

04-26-2023, 06:36 PM	#16
57taskforce All about them K’s Join Date: Jun 2014 Location: Land of Entrapment Posts: 6,585	Re: 83 12 Bolt Posi in a 72? It’s not going to be bolt in, the spring perch widths are different between the two as well as the shock mount locations. You will have to cut the old perches and shock mounts off and weld new ones on. __________________ Tyler '57 3100 http://67-72chevytrucks.com/vboard/s...d.php?t=813888 '72 K20 Cheyenne: 5” lift, 35’s, front dana 60 blah blah blah… http://67-72chevytrucks.com/vboard/s...d.php?t=662879 ‘69 K10 SWB: 4” lift 33”s… in a million pieces http://67-72chevytrucks.com/vboard/s...d.php?t=805206 '98 Silverado LT K2500HD ECLB Vortec 454/4l80E: 6" lift 35x12.5x20’s