Go Fast Bits Lightweight Alternator Pulley Scion FR-S 2013-2016 / Subaru BRZ 2013+ / Toyota 86 2017+

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SKU 2221

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.

This kit is supplied with 3 pulleys, not just for looks - the combined saving of 2.2 kg is significantly more than what is achieved by replacing just the crank pulley alone.

The weight doesn’t tell the whole story either - even though the saving is a significant 77%, the actual rotating inertia reduction (inertia is what counts) is 83%.

Like all GFB lightweight pulley kits, you can feel the improvements:

  • Sharper throttle response
  • Engine feels more willing to rev
  • Stronger “urge”

Lightweight BRZ/Scion Alternator Pulley also suits:

  • TOYOTA 86 (ZN6) GT-GTS 12-On
  • SUBARU BRZ MY12-On

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.

This kit is supplied with 3 pulleys, not just for looks - the combined saving of 2.2 kg is significantly more than what is achieved by replacing just the crank pulley alone.

The weight doesn’t tell the whole story either - even though the saving is a significant 77%, the actual rotating inertia reduction (inertia is what counts) is 83%.

Like all GFB lightweight pulley kits, you can feel the improvements:

  • Sharper throttle response
  • Engine feels more willing to rev
  • Stronger “urge”

Lightweight BRZ/Scion Alternator Pulley also suits:

  • TOYOTA 86 (ZN6) GT-GTS 12-On
  • SUBARU BRZ MY12-On


This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov