Do I need hubcentric wheel spacers?

[CoolRod]

I purchased a set of rear 19x9.5 PP wheels to put on the front of my GT so I can run a square setup. I know I need 1/4" (5mm) wheel spacers, but do they need to be hubcentric? And does anybody know if the 1/4" Maximum Motorsports (part # MMWS-2) spacers are hubcentric??

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[jasonstang]

You should as the hub flange provides some weight support.

 

[NightmareMoon]

I'm running non-hub centric 5mm spacers in the front, but I would absolutely not get them again, and I may upgrade to 'centric ones soon. Just feels wrong to have a spacer not centered like that, even if the wheel nuts are torqued to 150 ft/lbs (nothing is coming loose). There is still enough hub (rotor?) ring for the wheels to center themselves on the hub with only a 5mm spacer, but yeah.

 

[Need4SpeedMotors]

for a 5 mm your fine with a universal spacer.

 

[CoolRod]

FWIW...I measured the center bore on the Maximum Motorsports 1/4" spacers and it is exactly 2-3/4" diameter (albeit per my tape measure, not a caliper). This equates to approximately 70mm which is an exact match for the mustang hubs. So, if anybody is interested, these appear to be hubcentric spacers.

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