C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Solid axle conversions: what bolt pattern hubs do you run? 5x120.65?

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Old Mar 2, 2026 | 08:19 AM
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Default Solid axle conversions: what bolt pattern hubs do you run? 5x120.65?

Curious what bolt patterns you all run on your hubs with solid axle conversions (ford 9”, etc)


5x120.65? (Is that pattern avail for solid axle
hubs?)

or 5x120 ?


i hate to not be able to use my grand sport wheels if i go this route. They are 5x120.65 as you all know
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Old Mar 2, 2026 | 11:31 AM
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If you are ordering a housing and axles, the vendor will ask you what pattern you would like. If you are going to junk yard source the parts, you will need to have the axles drilled for your preferred pattern which might wind up costing more than the ordered performance axles. 4.75" = 120.65mm
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Old Mar 4, 2026 | 11:46 AM
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Best path is custom built to your specs, very popular and common drag race and high HP restomod standard with the 9” and you can probably go slightly narrower than the current late C4 width hub to hub and retain the GS 17X11 and allow a 315 tire to tuck in nicely without fender flares.
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Old Mar 4, 2026 | 12:26 PM
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Originally Posted by dizwiz24
Curious what bolt patterns you all run on your hubs with solid axle conversions (ford 9”, etc)


5x120.65? (Is that pattern avail for solid axle
hubs?)

or 5x120 ?


i hate to not be able to use my grand sport wheels if i go this route. They are 5x120.65 as you all know
Solid axles don't have "hubs".
5x120.65 = 5x4.75, which is one of the most common solid axle patterns in the US.
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