Part No. 2221
 
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.
 
Like all GFB lightweight pulley kits, you can feel the improvements:
Sharper throttle response
Engine feels more willing to rev
Stronger “urge”