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Speedtek Auto Racing

CNC Billet Shift Fork 4140 Chromoly Steel suit 3rd & 4th Gear RB25 RB26 VG30

CNC Billet Shift Fork 4140 Chromoly Steel suit 3rd & 4th Gear RB25 RB26 VG30

SKU: 34BFORK

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Regular price $643.00 CAD
Regular price Sale price $643.00 CAD
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Introducing our Billet 4140 Chromoly Steel Shift Fork for 3rd & 4th Gear, designed for the RB25DE, RB26DETT & VG30DETT engines.

This is a direct replacement for the factory shift fork, which is known for its tendency to fail.

Crafted from the finest materials and manufactured to strict tolerance standards, we believe our shift fork is the best available. It features nearly 180 degrees of contact surface area with the shift sleeve, unlike standard forks that only have two contact points. This design reduces load and wear on the shift fork, resulting in easier and more stable shifting into 3rd and 4th gears.

As far as we know, no other manufacturer offers Chromoly billet shift forks for these transmissions. Additionally, our shift forks are nitrided for an even stronger surface finish, ensuring they will likely last a lifetime.


Fitment for ALL RB25DET & RB26DETT Transmissions, including RB30 & VG30 Transmission, Years 1985 until 2001.

  • CNC Construction
  • Direct Replacement Part
  • 4140 Chromoly Billet Steel
  • Nitriding Treatment
  • Almost 180degree contact area for maximum contact area to shift sleeve
  • Tighter Tolerances for improved performance

“What is Nitriding? A heat treating process that diffuses nitrogen into the surface of a metal to create a case-hardened surface. These processes are most commonly used on low-carbon, low-alloy steels. They are also used on medium and high-carbon steels, titanium, aluminium and molybdenum.”
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