Description
MANGU · PERFORMANCE HARDWARE
Forged ManGu wheel-stud conversion for Supra and BMW
A forged SCM440 wheel-stud conversion for compatible Toyota GR Supra and BMW F/G-Series hubs, designed for easier wheel changes during maintenance and track use. Choose Burnt Blue, Gold or Silver from the listed finishes.
SCM440
Forged alloy
Studs
Wheel location
3 finishes
Available
Key features
✓More convenient wheel fitting
Fixed studs locate and support the wheel while the wheel nuts are fitted, especially useful for frequent wheel-and-tyre changes.
✓Forged steel construction
Manufacturer-listed SCM440 alloy steel with SU5316 surface treatment.
✓Manufacturer-published material ratings
ManGu lists a tensile strength of at least 1500 MPa and yield strength of at least 1350 MPa.
✓Choice of finishes
Select Burnt Blue, Gold or Silver from the available product variants.
Design & construction
Fixed wheel studs let the wheel locate on the hub before the wheel nuts are fitted, making repeated wheel swaps simpler on performance road and circuit cars. ManGu lists SU5316 surface treatment, minimum 1500 MPa tensile strength and minimum 1350 MPa yield strength.
Fitment & installation
Select stud length, hub thread and wheel-nut seat for the specific wheel and spacer package. Follow ManGu's retention and torque instructions and check wheel-nut torque after initial use.
What's included
- ManGu wheel-stud conversion kit in the selected Burnt Blue, Gold or Silver finish
Vehicle fitment
BMWG80/G81 M3 and G82/G83 M4 — matching hub/thread specification
BMWG87 M2 and other compatible BMW F/G-Series hubs
ToyotaGR Supra A90/A91 — compatible hub/thread setup
Technical specifications
MaterialForged SCM440 alloy steel
TreatmentSU5316 (manufacturer-listed)
Tensile / yield≥1500 / ≥1350 MPa (manufacturer-listed)
Surface hardnessHRC 62–65 (manufacturer-listed)
Finish optionsBurnt Blue, Gold, Silver
Warranty
All Racing Lab performance parts are covered by a 1-year limited warranty against manufacturing defects and workmanship issues.
Every component is rigorously inspected to ensure quality and reliability, so you can upgrade your vehicle with confidence. If any issues arise, our support team is ready to assist with fast and hassle-free warranty claims.
Return Policies
14-day change-of-mind returns: Available subject to the store's return conditions, including an applicable 20% restocking fee for approved voluntary returns. Please review our full return policy before ordering.
Australian Consumer Law: Your statutory consumer guarantees and remedies are not restricted by this voluntary returns policy or its 14-day period or restocking fee.
Free Shipping
Enjoy fast & free tracked shipping nationwide.
Pro Installation
Want a hassle-free installation? Book or enquire now.
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Why Buy From Racing Lab
Need help confirming fitment? Contact our Sydney team before ordering.
