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**gmc 2500 4x4** · 12-28-2019, 09:33 AM

update i have found that i may have the wrong box, The years are 69-76 for the 4 1/2 turns, 77-87 for the 3 1/4s.

12-28-2019, 09:33 AM	#24
gmc 2500 4x4 Senior Member Join Date: Mar 2012 Location: ripley ny Posts: 2,887	Re: 69 gmc 3/4 4x4 4'' lift question update i have found that i may have the wrong box, The years are 69-76 for the 4 1/2 turns, 77-87 for the 3 1/4s.