Specifications for Factory Five's GTM Aluminum Performance Wheels

[Mad Dog]

Technical Specifications of Factory Five's Optional GTM Wheels:

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Front Wheel Size (Diameter x width): 18"x 9"
Rear Wheel Size (Diameter x width): 18"x 12"
Front Wheel Backspace: 6.95" (50mm Offset)
Rear Wheel Backspace: 8.49" (51mm Offset)
Wheel Lug Pattern: GM style 5 lug x 4.75" bolt circle
Material: Flow formed
Aluminum Color: Titanium

Weight: 18"x 9": 19.5 lb 18"x 12": 22.2 lb

Front Brake Fitment 13" Z06 Calipers and Rotors
Rear Brake Fitment: 13.00" Z06 Calipers and Rotors

Recommended Tire Sizes: Front: 245/40 ZR18 Rear: 335/30 ZR18
Toyo Proxes RA1 tires are used on our GTM

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Here's a video of Factory Five President Dave Smith discussing the optional GTM Wheels.

[Roger Reid]

Technical Specifications of Factory Five's Optional GTM Wheels:

...Front Brake Fitment 13" Z06 Calipers and Rotors
Rear Brake Fitment: 13.00" Z06 Calipers and Rotors...

For clarification will these wheels fit the C6 Z06 brakes as well as the C5 Z06 brakes?

[Mad Dog]

Yes, the C6 Z06 brakes fit.

[JCHRacer]

FFR supplied 1" spacer or no spacer with these wheels?

[Kempo]

I got the spacers on my kit and the FFR option wheels. Although I need to try them with out the spacers and see if they fit. Mad dog do you know if I can fit them without the spacers? The tire is a bit wider than the rear fender with the spacer.

[Jim Schenck]

Spec'd to fit with no spacers.

[Kempo]

Cool I will take them off tonight. Thanks Jim.

[The Stig]

Cool I will take them off tonight. Thanks Jim.

That should give you just enough room for those big meats to fit!