Classic Mini Front Bump Stop Under Top Arm (Rebound Buffer) PAIR 

Non genuine re-bound buffers. Fitted purely to prevent the top arm crashing in to the subframe on full droop (as when airbourne), and stopping the suspension ball joint going bound in full droop. It does nothing to aid suspension bump absorption. If negative camber has been changed as it performs a vital job - a 3mm plate should be attached under the top arm where this rebound buffer hits. 

Part number for reference: 2A4267