Full Function Engineering FD3S Idler Pulley Kit

Increase contact area on water pump pulley when removing air pump for emissions removal or single turbo setup. Fits all of our Cast Turblown Turbo Kits. 


Compatible with stock accessories

6061-T6 anodized aluminum

All required 18-8 stainless steel hardware

OEM quality pulley sized for high RPM applications

Using this kit with stock FD3S crank and alternator pulleys requires 5PK1005 belt