If you do not have oem hub assemblies the extended studs these comes with may not fit. They definitely DO NOT FIT aftermarket beck/arnley hubs for a g37. The stud holes in beck/arnley's are 12mm. the studs included with this kit have a 14.35mm knurl like oem. Cannot speak for other aftermarket hub assemblies. Just be aware you may need oem hub assemblies to run even 5mm spacers. Just not enough stud left to safely secure the wheel.