This bush allows on-car adjustment of the Caster angle +/- 0.33 deg. Use PFF73-402/PFF73-402BLK if you do not want any adjustment.
OEM Part Number: Arm = 45201-70L00 / 45202-70L00

Road - Suitable for fast road and occasional track use.
Black - Track focused hard bushes.
 
All Powerflex products are ordered directly from the manufacturer and have a 3 day lead time.