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bigguy · 04-12-2020, 02:27 PM

I believe you need a 1” dd to 3/4” dd u joint. I bought all of my gear through Porterbuilt. I did end up getting some extra u joints because of the geometry of the shafts.

04-12-2020, 02:27 PM	#100
bigguy Registered User Join Date: Jun 2010 Location: Northern VA Posts: 89	Re: 86 GMC, Porterbuilt Mild front and rear I believe you need a 1” dd to 3/4” dd u joint. I bought all of my gear through Porterbuilt. I did end up getting some extra u joints because of the geometry of the shafts.