GFB Lightweight Crank, Water Pump & Alternator Pulley Kit - Subaru BRZ ZC6 & Toyota GT86 ZN6
The GFB Lightweight Crank, Water Pump & Alternator Pulley Kit is designed as a replacement for the original pulleys and increases engine power and response by reducing the inertial and driven loads.
Like all GFB lightweight pulleys, begin life as a single 6061 aluminium alloy billet, and is then precision CNC machined to exacting tolerances. GFB then anodize them black for a stealthy appearance and superior wear resistance.
A combined saving of 2.2kg is significantly more than what is achieved just by replacing just the crank pulley alone. The weight doesn’t tell the whole story either..even though the weight saving is a significant 77% over factory, the actual rotating inertia reduction is 83%! (& it's inertia that really counts)
GFB Lightweight Crank, Water Pump &Alternator Pulley Kit features:
- Sharper throttle response (particularly off boost)
- Engine feels more willing to rev
- Stronger "urge"