72mm outer pulley ring for 2 piece. 6 rib belt, 72mm diameter, 15.57mm fffset. Part number 57-03-06-072-BL
While this offset and style of pulley may match your original kit pulley, alternative diameters may affect fitment, belt length and boost level. Installer assumes all responsibility for verification on vehicle.
Confirmed to fit:
Jeep 3.6L kit
Radix DI kit
Heartbeat DI kit