ACT Clutch Release Bearing TOB for Evo 4-9 / STi / 02-05 WRX (RB601) Skunk2 retaining the same diameter (ring

retaining the same diameter (ring gear size) as originally equipped with the car

• Must Remove AC

STM Block Off with -16ORB

Overboost Protection Built In

Improve coilover performance and reduce unwanted spring noise

ACT Clutch Release Bearing TOB for Evo 4-9 / STi / 02-05 WRX (RB601) Skunk2 retaining the same diameter (ringACT clutch release bearing, aka throw out bearing or TOB, for the Evo 4 5 6 7 8 9, Subaru STi and 02 05 WRX models. Designed to withstand the forces that are produced by high performance clutches. Whether you're on the street or the strip, ACT's bearings will prove reliable, shift after shift. Vehicle Fitment: 1996 2006 Evolution IV V VI VII VIII IX 2004 2021 Subaru STi 2002 2005 Subaru WRX Includes: (1) Bearing