BMW/Toyota M14x1.25 to M14x1.50 Wheel Stud Conversion Kits

Looking to convert your Supra or F8X/GX Series BMW to wheel studs? Want to get rid of the difficult-to-find M14x1.25 ultra-fine thread and convert it to M14x1.15? We got covered with our VTT wheel stud conversion kits. These kits are forged cold-rolled steel in 10.9 class, with Black Oxide corrosion-resistant coating for years of use, and convert your M14x1.25 vehicle to M14x1.50 wheel studs.

Our studs are forged from cold-rolled 10.9-class steel and finished with a black oxide corrosion-resistant coating, ensuring years of dependable service in both street and motorsport environments.

We offer one optimized size: 85mm overall length, with the following breakdown:

• 75mm total thread length

• 10mm bull nose for smooth lug engagement

• 12mm short-thread section (hub side)

• 12mm unthreaded shank

• 48mm long-thread section (lug nut side)

Each kit includes Black studs with Black open-ended lug nuts, available in 10-piece (front or rear) or 20-piece (full set) configurations.

Included in Every Kit

• 10 or 20 × M14x1.25 to M14x1.50 Black Wheel Studs

• 10 or 20 × M14x1.50 19mm Black Open-Ended Lug Nuts

Installation Notes

• Apply medium-duty Loctite to the short-thread end of each stud and torque to 10 ft-lb.

• Torque lug nuts to OEM specifications.

• For safety, re-torque all studs and nuts after 25–50 miles.

Upgrade with confidence—VTT stud conversion kits deliver the strength and convenience your build deserves.