Spacer Shim 0,2" thick for mounting the front Girling Brake calipers. Can be used double as a replacement for the 0,4" Shim (Volvo 682310).With the Spacer Shim the Brake caliper is centered to the brake disc. Factoy tolerances of the Steering Swivel and Brake calipers can be compensated.The exact centering of the Brake caliper and the Brake disc is crucial for the Brake function. A wrong centering can cause long pedal ways or overheating.