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Go Fast Bits

Go Fast Bits Underdrive Pulley Kit For 08+ Wrx/Sti

$315.00
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SKU:
GFB2014
Condition:
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Introducing the GFB Pulley Kit, a comprehensive solution that includes the crank, alternator, and power steering pulleys, along with the necessary belt for a complete installation. Traditional large and heavy pulleys consume power that could be better employed to move your vehicle. This kit effectively addresses this concern by substituting the stock crank pulley with a lighter counterpart. It achieves underdrive for the power steering and alternator, while maintaining normal speed for the A/C compressor.

Key Specifications (Part #: 2014):

  • Stock Crank Pulley (STI): 5.51lb / Stock Crank Pulley (WRX): 4.63lb

  • GFB Crank Pulley: 0.86lb

  • Stock Power Steering Pulley: 0.81lb

  • GFB Power Steering Pulley: 0.37lb

  • Stock Alternator Pulley: 0.36lb

  • GFB Alternator Pulley: 0.14lb

Total Mass for GFB Pulley Kit: 1.38lb Total Mass for Stock Pulleys (STI): 6.69lb / Total Mass for Stock Pulleys (WRX): 5.81lb Mass Savings: 5.31lb (STI) / 4.43lb (WRX)

  • Alternator Underdrive: 16.5%
  • Power Steering Underdrive: 18%
  • A/C Underdrive: None

Experience a significant reduction in weight with this GFB Pulley Kit, optimizing your vehicle's power-to-weight ratio for enhanced performance.

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