AMTECS 81305 86/BRZ/WRX STI/Revogue Front Camber Adjustment Bolts (2 Pack)
Adjust the front camber by replacing the bolt on the bottom of the strut.
The bolt head mark indicates the maximum change position of the cam, while the easy-to-handle saw tooth washer continuously changes the number between positive and negative. (2 Camber Bolts, Front Left and Right Set)
Be sure to check manufacturer compatibility chart.
http://www.amtecs.co.jp/products/spc_table.html