Looking at +3 up 1 A-Arms

79 bronco

Moderator & Self Custom Psycho
Staff member
Apr 9, 2010
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I don"t know???????
Im looking at some American Star +3 up 1 A-Arms. What is the advantage and or disadvantage between the MX PRO A-Arms VS PRO X A-Arms? It looks like the MX PRO A-Arms have Full Camber Adjustability High Strength Automotive Sealed Ball Joints, and the PRO X A-Arms have Full Camber Adjustability Chrome Plated 28,000 lb Rated 4130 Chromoly Teflon/Kevlar Lined Maximum Travel Ball Joints..

I like the PRO X A-Arms with the Full Camber Adjustability Chrome Plated 28,000 lb Rated 4130 Chromoly Teflon/Kevlar Lined Maximum Travel Ball Joints..

Blaster 200 3 Up 1 Pro x A Arms Lines Ends Black by American Star | eBay


Blaster 3 Up 1 MX Pro A Arms Lines Ends Black by American Star | eBay
 
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i have the pro x versions with full max travel heim joints
they've held up great for the last 2 years, and who knows how many before that, they were used.

if the heims ever fail, it appears that auto style joints could be substituted for possibly cheaper ? but i'd get replacement heims again.

IMO...go with the pro-x max travel heims