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B-Mag Magnesium Ball Stud Washer 2.5/3.0/3.5

B-Mag Magnesium Ball Stud Washer 2.5/3.0/3.5

Team Brood Racing's B-Mag Magnesium Washers are a first of their kind tuning option made for discriminating racers. Precision machined from AZ31 grade magnesium and nickel plated, these washers are ideal for a variety of applications - ball stud risers, hub spacers, steering knuckle spacers, etc. - use them wherever they fit and reap the benefits of magnesium.

Why a Magnesium washer?

Most know that magnesium is lighter than a comparable aluminum part (35%), but magnesium also offers superior dent resistance for improved precision over time, and is able to be machined to incredibly strict tolerances for more accurate suspension settings. MOST importantly magnesium has the highest known damping capacity of any structural metal available! Magnesium will absorb 16 times more shock and vibration than aluminum, and 10 times that of any other metal.

Size Options

B-Mag magnesium washers are available in multiple sizes - from .35 to 2.0 in .25 increments, and 2.0 to 3.5 in .5mm increments allowing subtle increment changes and precision tuning. The size options also reduce the need to stack washers. Stacking washers can cause binding under load, friction, inconsistent torque specs, and setting changes due to washer shift, which can impact consistency and long term performance.

Nickel Plated

B-Mag washers feature a flashy nickel plated finish, but not just for the look. Nickel offers resistance to corrosion and wear, improved hardness, additional strength, and enhanced ductility.

So when you ask “Why Magnesium?” - now you know why.


  • AZ31 grade Magnesium

  • 35% lighter than aluminum

  • Nickel Plated

  • Use for ball stud washers, rear hub spacers, steering knuckle risers, etc.

  • Fits TLR, Associated, Serpent, Kyosho, Yokomo, Schumacher, Tekno, and other popular cars and trucks that use m3 hardware.

  • Fits m3 and 4-40 ball studs

  • Alien wonder metal

  • CNC Machined

  • Precision sizing

  • 7.5mm Outer Diameter

  • 3.15mm Inner Diameter


  • (2) 2.5mm thick washers
  • (2) 3.0mm thick washers
  • (2) 3.5mm thick washers

B-Mag Magnesium Ball Stud Washer 2.5/3.0/3.5
  • Stock: In Stock

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