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The Prothane universal shock bushing (12mm ID) for Bilstein shocks in black is a replacement isolator with a 12mm inner diameter that fits Bilstein-compatible shock mounts. It provides a resilient interface between the shock and mount to reduce metal-to-metal contact and wear. Use where a 12mm ID bushing is required during shock servicing; fit it into the shock's mount and reassemble the suspension per standard procedures.
Prothane Universal Shock Bushings - Bilstein - 12mm ID - Black
