Until now, people that chose to use the factory Civic EP3 Idler pulley have encountered problems with over-tightened or loose accessory belts. This is because the factory EP3 idler is fixed and not adjustable.
2014-2017 INFINITI QX70 3.7L ENGINE MOTOR TENSIONER IDLER BELT PULLEY OEM
2004-2008 Ford F150 FX4 5.4 5.4L Triton 3V Engine Idler Belt PULLEY & Bolt
7PK1320 Replacement Serpentine Belt K24 Swap EP3 Idler Pulley Belt For Honda
For K20 Swap EP3 Idler Pulley Belt Serpentine Belt 7PK1283 For Honda Civic Si
K20 Swap EP3 Idler Pulley Belt Serpentine Belt 7PK1283 Replacement For Honda