New from GFB is the Under-drive Crank Pulley for the Mitsubishi EVO IV through to IX. Like all GFB pulleys the material used is 6000 series aluminium alloy billet which nets a large weight saving of 1.4 kg over the factory pulley without sacrificing strength or reliability.
The kit comes complete with the required serpentine belt and installation is dead easy – no specialized tools are required and it can be done in as little as 30 minutes.
The accessories are under-driven by 20% which does NOT compromise their performance at low RPM but does help reduce parasitic losses at high RPM.
Like all GFB lightweight under-drive pulleys the improvement to the car is felt in the form of sharper throttle response (particularly off boost) and the engine feels more willing to rev. A useful comparison is the difference between performance on a cool evening vs. a warm dayUse collapsible tabs for more detailed information that will help customers make a purchasing decision.
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