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Guest Message by DevFuse

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Front Upper Arm Interchangeability JZX100/JZX110/SXE10/JZS175

control arms replacement modification measurements differences upper a arm oem

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  #1 mamekame



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Posted 27 August 2017 - 09:17 PM

Out of interest, I have been doing some research on the interchangeability of front upper arms in my JZX100.


This may be useful for those who would like to utilise OEM parts without spending big money on aftermarket adjustable items, especially if it is to modify track width, wheel fitment, and alter the range of camber adjustment.  This may be especially useful in the situation where the lower control arms have been replaced with extended versions, which give the car mega negative camber even with the eccentric bolts at max setting.  It is also useful for those with JZX110 or JZS175 who may want to get mega negative camber by just changing the upper arms to JZX100 ones.  Perhaps you can swap with your mates ;)


Rough measurements from the base of the arms to the tip of the A-arm:


JZX100    238mm +/- 3mm

JZX110    270mm +/- 3mm

SXE10     270mm +/- 3mm

JZS175    270mm +/- 3mm


If you can find a second hand set of the above arms, and replace the ball joint with a new one, it might work out much cheaper than getting an aftermarket upper A arm.


NOTE: there will be changes to the castor depending on which upper arm and lower arm combination you use.

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