SET YOUR CAR
Order Now, Pay Later
FREE SHIPPING
On orders over $200
TALK TO A PARTS EXPERT
RALLYSPORT GUARANTEE
100% Money Back on Select Parts
Go Fast Bits Underdrive Pulley Kit ( Part Number:GFB 2014)

Go Fast Bits Underdrive Pulley Kit - Subaru Models (inc. 2008-2014 WRX / 2008+ STI)

MODEL # GFB 2014
Manufacturer Part # 2014

$301.91

MSRP: $335.45

24
hours
In stock! Ships same day
Qualifies for free shipping!


Description

This GFB Pulley Kit comes with the crank, alternator and power steering pulleys as well as the belt needed for install. Having large heavy pulleys spinning takes away power that is better spent moving the car. This kit takes care of that by replacing the crank pulley with a lighter version that underdrives the power steering and alternator yet leaves the A/C compressor spinning at normal speeds.

Stock Crank Pulley : 5.51lb (STI) / 4.63lb (WRX)
GFB Crank Pulley : .86lb

Stock Power Steering Pulley : .81lb
GFB Power Steering Pulley : .37lb

Stock Alternator Pulley : .36lb
GFB Alternator Pulley : .14lb

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

Alternator Underdrive : 16.5%
Power Steering Underdrive : 18%
A/C Underdrive : None
SHARE THIS
| | | | |

RallySport Guarantee - 30 Days


Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.

RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.

The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.

Specifications


Brand: Go Fast Bits
Color: Black
Location: Crank, Alternator and Power Steering
Material: Aluminum
Pulley Ratio: Underdrive
Weight: Multiple
Belt Included: Yes

Mfgr. Warranty: 1 Year
Condition: New Product
Return Policy:

RallySport Guarantee - 30 Days


Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.

RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.

The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.
RallySport Guarantee
  INSTALLATION INSTRUCTIONS

5

5 STAR
100%
4 STAR
3 STAR
2 STAR
1 STAR
This product has no user uploaded media. You can upload your photo or video of your install by posting a review.
RallySportDirect.com Reviews:
Verified Purchase

Great Upgrade!
Qspeed 2 months ago
Looks Great! Really Light! I Really Like it!
Comment

Impressive!
DannySTi 3 years ago
This kit will leave you astonished! It is super high quality and light weight... I had the perrin light weight installed on my 2008 STi and it was really good. I found the Go Fast Bits kit by accident and I kept thinking.... Hmm would 3 light weight pulleys be better than one? Sure is! Plus the quality and looks defineyely stands out. I love this kit, you'll feel the difference even going from one light weight pulley to this complete kit.. Now if you're in the market for a light weight pulley don't even look further.. this is the right kit to go with! Drive safe lol
Comment

Why do just 1 pulley when you can replace them all?
WesD 4 years ago
The GFB pulley kit replaces the Crank, PS, and Alt pulley's with lightweight aluminum units that are of the highest quality. The real benefit is weight savings and when I weighed them in comparison to their stock counterparts I confirmed RSD's findings of more than a 5lb total weight savings on my 2008 STi. Comes with belts and install instructions. Oh and the packaging is damn impressive too! Buy them now!
Comment

  • Q: installation  luckitiluc 2 years ago

    Answer

    how long should it takes to install all 3pulleys? and is it better to remove the bumper?


    • A: The install should typically take 1-2 hours and there is no need to remove the bumper.


      Brady R 2 years ago
  • Q: fitting  luckitiluc 2 years ago

    Answer

    does this fit on a subaru sti 15?


    • A: This kit does fit the 2015 STI as per the application list on the left hand side of the page.


      Connor M. 2 years ago
  • Q: Harmonics?  MrFreeze 3 years ago

    Answer

    How will this pulley kit effect the harmonics with the engine?


    • A: Engine harmonics will not be negatively affected with this pulley kit.


      Zach G. 3 years ago
    • A: As Zach says, the engine harmonics are not an issue when using this pulley kit. There is more technical information on this topic available on our website: http://www.gfb.com.au/tech/faqs/21-pulley-kits/45-what-is-a-harmonic-balancer


      GFB 3 years ago
  • Q: Power steering pulley  Ryanm7777 3 years ago

    Answer

    Do you sale the power steering pulley separately? I cross grooved my stock one when I was trying to reinstall it.


    • A: The only issue is the power steering pulley in this kit is smaller than the stock pulley (100mm vs 108mm). This means if it is used with the stock crank and alternator pulleys, a different belt is required, and the power steering pump will be spinning faster. It is best to use this pulley as with the complete kit.


      GFB 3 years ago
  • Q: pulley kit  eichnermatt03627 3 years ago

    Answer

    i already have a lightweight flywheel installed on my 2011 wrx, will this pulley kit make my check engine light turn on?


    • A: You will likely throw a positioning sensor CEL.


      guest56ad69792a8d256e198b66b5 3 years ago
    • A: It's hard to say 100% whether it will or not - there are plenty of people running both without issue whatsoever, and there are also others who get a crank position/misfire error with both. Typically the lighter the flywheel, the higher the liklihood of getting a fault when a lightweight pulley is also added. This is because the lighter the flywheel, the faster the crank can change speed during each revolution (i.e. every time a cylinder fires, it momentarily speeds up and slows down), and this is what the ECU is monitoring to check for misfire. As I say it depends on a lot of variables, but general consensus seems to be that once the flywheel weight goes below 13lb, adding a pulley is more likely to cause a CEL. Above 13lb on the flywheel, it is most likely not going to be an issue.


      GFB 3 years ago
Subaru Impreza
WRX Sedan
2008 Subaru Impreza WRX Sedan
2009 Subaru Impreza WRX Sedan
2010 Subaru Impreza WRX Sedan
2011 Subaru Impreza WRX Sedan
2012 Subaru Impreza WRX Sedan
2013 Subaru Impreza WRX Sedan
2014 Subaru Impreza WRX Sedan
WRX Hatchback
2008 Subaru Impreza WRX Hatchback
2009 Subaru Impreza WRX Hatchback
2010 Subaru Impreza WRX Hatchback
2011 Subaru Impreza WRX Hatchback
2012 Subaru Impreza WRX Hatchback
2013 Subaru Impreza WRX Hatchback
2014 Subaru Impreza WRX Hatchback
WRX STI Hatchback
2008 Subaru Impreza WRX STI Hatchback
2009 Subaru Impreza WRX STI Hatchback
2010 Subaru Impreza WRX STI Hatchback
2011 Subaru Impreza WRX STI Hatchback
2012 Subaru Impreza WRX STI Hatchback
2013 Subaru Impreza WRX STI Hatchback
2014 Subaru Impreza WRX STI Hatchback
WRX STI Special Edition Hatchback
2010 Subaru Impreza WRX STI Special Edition Hatchback
WRX Premium Sedan
2010 Subaru Impreza WRX Premium Sedan
2011 Subaru Impreza WRX Premium Sedan
2012 Subaru Impreza WRX Premium Sedan
2013 Subaru Impreza WRX Premium Sedan
2014 Subaru Impreza WRX Premium Sedan
WRX Premium Hatchback
2010 Subaru Impreza WRX Premium Hatchback
2011 Subaru Impreza WRX Premium Hatchback
2012 Subaru Impreza WRX Premium Hatchback
2013 Subaru Impreza WRX Premium Hatchback
2014 Subaru Impreza WRX Premium Hatchback
WRX Limited Sedan
2010 Subaru Impreza WRX Limited Sedan
2011 Subaru Impreza WRX Limited Sedan
2012 Subaru Impreza WRX Limited Sedan
2013 Subaru Impreza WRX Limited Sedan
2014 Subaru Impreza WRX Limited Sedan
WRX Limited Hatchback
2010 Subaru Impreza WRX Limited Hatchback
2011 Subaru Impreza WRX Limited Hatchback
2012 Subaru Impreza WRX Limited Hatchback
2013 Subaru Impreza WRX Limited Hatchback
2014 Subaru Impreza WRX Limited Hatchback
WRX STI Limited Sedan
2011 Subaru Impreza WRX STI Limited Sedan
2012 Subaru Impreza WRX STI Limited Sedan
2013 Subaru Impreza WRX STI Limited Sedan
2014 Subaru Impreza WRX STI Limited Sedan
WRX STI Limited Hatchback
2011 Subaru Impreza WRX STI Limited Hatchback
2012 Subaru Impreza WRX STI Limited Hatchback
2013 Subaru Impreza WRX STI Limited Hatchback
2014 Subaru Impreza WRX STI Limited Hatchback
WRX STI Sedan
2011 Subaru Impreza WRX STI Sedan
2012 Subaru Impreza WRX STI Sedan
2013 Subaru Impreza WRX STI Sedan
2014 Subaru Impreza WRX STI Sedan