Go Fast Bits
GFB 13+ Subaru BRZ / 13+ Scion FR-S Lightweight Alternator Pulley - 2221
- SKU:
- GFB2221
- UPC:
- 9328022002712
- MPN:
- 2221
- Availability:
- Regularly stocked product
Description
How much weight do these pulleys save?
GFB Crank Pulleys significantly reduce rotating inertia by up to 85%, enhancing engine responsiveness. Confirm exact weight savings for your specific vehicle fitment.
Are these pulleys difficult to install?
Bolt-on installation makes GFB Crank Pulleys straightforward for enthusiasts, simplifying the process for improved performance. Proper torque specifications are crucial for secure fitment.
Go Fast Bits Crank Pulleys offer exceptional engine performance gains, achieving up to an 85% reduction in rotating inertia. Precision-machined from a single billet of 6061-T6 aluminium, these lightweight pulley kits deliver sharper throttle response and quicker acceleration. Install them confidently to transform your vehicle's agility.
Key Features
- Lightweight Pulley Kits
- sharper throttle response
- faster acceleration
- single billet of 6061-T6 aluminium
- precision CNC machined
- UP TO 85% ROTATING INERTIA REDUCTION
Why Choose the GFB Pulleys
Delivers instant engine response for a more connected driving feel.
Achieves quicker acceleration, making your car feel more agile.
Transforms your engine's willingness to rev, enhancing spirited driving.
Provides a noticeable boost in performance without breaking the bank.
Who Is This For?
Street Performance — 8/10
Lighter pulleys improve acceleration and throttle response.
Track / Autocross — 8/10
Reduced rotating inertia aids quicker engine response.
Drag Racing — 8/10
Faster acceleration from reduced rotating mass.
Engine Performance — 9/10
Significant reduction in rotating inertia.
Easy DIY Install — 7/10
Bolt-on installation type.
Racing Competition — 8/10
Enhances acceleration and engine responsiveness.
Frequently Asked Questions
Does the Go Fast Bits pulley kit fit my 2017 Subaru BRZ?
Confirming fitment, the Go Fast Bits pulleys are designed as a direct bolt-on upgrade for the 2013-2020 Scion FR-S, Subaru BRZ, and Toyota 86. This ensures precise compatibility for your vehicle's engine. Experience enhanced performance with this tailored component.
How difficult is the installation for Go Fast Bits underdrive pulleys?
Installation is straightforward as these are bolt-on components, ideal for DIY enthusiasts with a score of 7. The design prioritizes ease of integration into your existing setup. This makes upgrading your engine's performance accessible.
What are the primary performance benefits of installing Go Fast Bits pulleys?
Achieving quicker acceleration is a key outcome, with a usage score of 8 for Drag Racing and Track/Autocross. This reduction in rotating inertia transforms your engine's willingness to rev. Enjoy a more agile and responsive driving experience.
How do Go Fast Bits pulleys impact engine responsiveness?
Experience instant engine response, delivering a more connected driving feel with a score of 9 for Engine Performance. The precision CNC machined, single billet 6061-T6 aluminium construction minimizes rotating inertia. This enhances your engine's willingness to rev for spirited driving.
Vehicle Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2013–2016 | Scion | FR-S | Base |
| 2013–2020 | Subaru | BRZ | Limited |
| 2013–2019 | Subaru | BRZ | Premium |
| 2015 | Subaru | BRZ | Series.Blue |
| 2016 | Subaru | BRZ | Series.HyperBlue |
| 2017 | Subaru | BRZ | Series.Yellow |
| 2018–2020 | Subaru | BRZ | TS |
| 2019 | Subaru | BRZ | Series.Gray |
| 2017 | Toyota | 86 | Special Edition |
| 2017–2020 | Toyota | 86 | Base |
| 2018–2020 | Toyota | 86 | GT |
| 2019 | Toyota | 86 | TRD Special Edition |
| 2020 | Toyota | 86 | Hakone Edition |
Additional Resources
Important Notices
⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Warranty Information
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2013-2016 | Scion | FR-S | Base |
| 2013-2020 | Subaru | BRZ | Limited |
| 2013-2019 | Subaru | BRZ | Premium |
| 2015 | Subaru | BRZ | Series.Blue |
| 2019 | Subaru | BRZ | Series.Gray |
| 2016 | Subaru | BRZ | Series.HyperBlue |
| 2017 | Subaru | BRZ | Series.Yellow |
| 2018,2020 | Subaru | BRZ | TS |
| 2017-2020 | Toyota | 86 | Base |
| 2018-2020 | Toyota | 86 | GT |
| 2020 | Toyota | 86 | Hakone Edition |
| 2017 | Toyota | 86 | Special Edition |
| 2019 | Toyota | 86 | TRD Special Edition |
Additional Information
Clearance Item: |
N |
MPN: |
2221 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Engine Components>Pulleys - Crank, Underdrive |
Install Type: |
Bolt-On |
Product Level: |
Budget Upgrade |
Street Performance: |
8/10 |
Track / Autocross: |
8/10 |
Drag Racing: |
8/10 |
Engine Performance: |
9/10 |
Easy DIY Install: |
7/10 |
Racing Competition: |
8/10 |
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