GFB Lightweight Crank Pulley for FA20 BRZ/FR-S/86
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Product Description
Looking for maximum performance without breaking the bank? This is your sweet spot.
Swapping out just the crank pulley on your BRZ/86 delivers the bulk of the performance gains from our full 3-piece pulley kit (part #2016), with a more budget-friendly price tag.
Weighing in at just 340g, GFB’s Lightweight Crank Pulley represents a massive 85% weight reduction over the FA20’s factory steel crank pulley, which tips the scales at 2220g.
With dramatically less rotational inertia, the GFB pulley lets your engine rev more freely and accelerate faster, giving your car a sharper, more responsive feel. How much faster? Read a case study on pulleys here:
Lightweight Pulley Kit Performance Testing
If you want to go all-in, our complete 3-piece kit (part #2016) also includes lightweight alternator and water pump pulleys—shaving even more weight and adding a touch of visual flair to your engine bay.
About this range
GFB Lightweight Pulleys for BRZ/FR-S/86
Like all GFB lightweight pulleys, these begin life as a single 6061-T6 aluminium alloy billet, which is then precision CNC machined to exacting tolerances. We then anodize them black for a stealthy appearance and superior wear resistance.
By significantly reducing rotating mass, GFB lightweight pulley kits offer the following improvements:
- Sharper throttle response
- Engine feels more willing to rev
- Stronger “urge”

Vehicle Applications
Lightweight Crank Pulley for FA20 BRZ/86/FR-S also suits:
- TOYOTA 86 (ZN6) GT-GTS 12-on
- SUBARU BRZ MY12-on