Go Fast Bits
GFB Under-Drive Crank Pulley w/ Belt — 03-15 Mitsubishi Lancer Evo
GFB Under-Drive Crank Pulley w/ Belt — 03-15 Mitsubishi Lancer Evo
GFB Under-Drive Crank Pulley w/ Belt — 03-15 Mitsubishi Lancer Evo
GFB Under-Drive Crank Pulley w/ Belt — 03-15 Mitsubishi Lancer Evo
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GFB Under-Drive Crank Pulley w/ Belt — 03-15 Mitsubishi Lancer EvoGFB Under-Drive Crank Pulley w/ Belt — 03-15 Mitsubishi Lancer EvoGFB Under-Drive Crank Pulley w/ Belt — 03-15 Mitsubishi Lancer EvoGFB Under-Drive Crank Pulley w/ Belt — 03-15 Mitsubishi Lancer Evo
Go Fast Bits

GFB Under-Drive Crank Pulley w/ Belt — 03-15 Mitsubishi Lancer Evo

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SKU: GFB2011

About Go Fast Bits Go Fast Bits engineers high-quality automotive ...Read more

Price:
$253.71 $281.90
2530 ENTRIES10X
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

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About Go Fast Bits

Go Fast Bits engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Go Fast Bits lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Sharpen Your Lancer Evo's Throttle Response

The GFB under-drive crank pulley is the ultimate bolt-on performance upgrade for the Mitsubishi Lancer Evolution 4-9. By replacing the heavy factory crank pulley with a lightweight 6061-T6 aluminum unit, you significantly reduce rotating mass. This allows the engine to spin up faster, resulting in improved throttle response and quicker acceleration across the entire power band.

Performance Benefits:

  • Faster Revs: Reduced inertia allows the engine to reach peak power sooner.
  • 6061-T6 Aluminum: High-strength material for long-term reliability.
  • Precision CNC Machining: Ensures perfect balance and fitment.
  • Direct Bolt-On: Easy installation with no supporting mods required.

This kit includes the necessary belt to ensure proper accessory operation while the under-drive ratio maximizes efficiency. Perfect for street or track use, the GFB pulley kit transforms the driving dynamics of your Evo. If you are looking for a simple way to make your car feel more agile, this is the solution. Find all your performance engine components and more at GGCRACING.

About Go Fast Bits

Go Fast Bits engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Go Fast Bits lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Sharpen Your Lancer Evo's Throttle Response

The GFB under-drive crank pulley is the ultimate bolt-on performance upgrade for the Mitsubishi Lancer Evolution 4-9. By replacing the heavy factory crank pulley with a lightweight 6061-T6 aluminum unit, you significantly reduce rotating mass. This allows the engine to spin up faster, resulting in improved throttle response and quicker acceleration across the entire power band.

Performance Benefits:

  • Faster Revs: Reduced inertia allows the engine to reach peak power sooner.
  • 6061-T6 Aluminum: High-strength material for long-term reliability.
  • Precision CNC Machining: Ensures perfect balance and fitment.
  • Direct Bolt-On: Easy installation with no supporting mods required.

This kit includes the necessary belt to ensure proper accessory operation while the under-drive ratio maximizes efficiency. Perfect for street or track use, the GFB pulley kit transforms the driving dynamics of your Evo. If you are looking for a simple way to make your car feel more agile, this is the solution. Find all your performance engine components and more at GGCRACING.

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