GFB 4001 Short Shift Kit
GFB 4001 Short Shift Kit
GFB lightweight underdrive pulley
Lightened underdrive pulley kit (3 pulleys and belts included)

Short Shift Kit- 6 Speed

Original price was: $385.00.Current price is: $346.50.

🔧 GFB Short Shift Kit – 6 Speed (4002-1)

Shorter Throws. Faster Shifts. Total Driver Control.

Upgrade your driving experience with the GFB 6-Speed Short Shift Kit, designed specifically for late-model Subaru WRX STI gearboxes (MY02 and onwards). Engineered by Go Fast Bits, this kit delivers dramatically reduced shift throw and a tighter, more precise gear change—without complex modifications.


⚙️ KEY FEATURES

  • Suits Subaru 6-speed STI gearboxes (MY02+)
  • Unique linkage clamp system for greater throw reduction
  • 3 adjustable settings for customised shift feel
  • No need to raise gearbox linkage or modify surrounding components
  • Includes special tool for reverse lock-out cable removal
  • Full installation completed from inside the vehicle

🚀 PERFORMANCE BENEFITS

Up to 45% Reduction in Shift Throw
Reduce factory throw from 40mm down to as little as 22mm per gate.

🏎️ Faster, More Precise Gear Changes
Shorter movement = quicker shifts and improved driving engagement.

🎯 Customisable Feel
Choose between three settings to suit street or performance driving.

🔧 Simple Installation
No cutting, no fabrication—install in around 20 minutes.


🔬 ENGINEERING ADVANTAGE

Unlike traditional short shifters that only replace the gearstick, the GFB system uses a clever clamp mechanism on the linkage, allowing:

  • Greater throw reduction than typical aftermarket kits
  • No compromise in shift geometry
  • No need to reposition or modify linkage height

👉 Most competitors max out at ~30mm per gate
👉 GFB achieves down to 22mm per gate


🔩 SPECIFICATIONS

  • Product Type: Short Shift Kit (6-Speed)
  • Part Number: 4002-1
  • Adjustment: 3 positions
  • Factory Throw: ~40mm per gate
  • Minimum Throw: ~22mm per gate
  • Installation Time: ~20 minutes
  • Installation Location: Inside vehicle

🚗 VEHICLE APPLICATIONS

  • Subaru WRX STI MY02 (Bugeye)
  • Subaru WRX STI MY03–07
  • Subaru WRX STI MY08–13
  • Subaru WRX STI 2014-on (EJ25)

🏁 PERFECT FOR

  • Performance-focused street builds
  • Track and motorsport applications
  • Drivers wanting tighter, more mechanical shift feel
  • STI owners upgrading from factory shifter

💡 WHY CHOOSE GFB SHORT SHIFT?
Because replacing just the gearstick isn’t enough. GFB’s linkage-based design delivers a bigger reduction, better feel, and zero compromise—exactly how a performance shifter should be.

 

Weight 0.8 kg
Dimensions 6.3 × 6.3 × 27.5 cm

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Short Shift Kit- 6 Speed
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