I posted this elsewhere last week, but i checked their website. All arms have the same part numbers across Z34 and Rz34, so we can safely say all of the arms are cross-compatible. This is to be expected, as the chassis is the same; all they did was change the engine, body, and some minor tweaks to the tranny
regarding the suprpro arms:
You still need to pull the arm to install
You need to press/replace the bushing
You still need an alignment.
I couldn't find it on their website - but is this adjustable after install? does the arm need to be removed to adjust? If so, that's stupid
The adjustment range is listed as .5 to 1 degree, which is pretty limited
the SPL FUCA gives you more adjustment, on car, easy for the tech, won't break.
save up, do it once, do it right
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