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For Hydrolastic suspension cars, they were made with a 1/4" fixing hole but this needs elongating vertically to get the bump stop to sit properly on the upper arm which had different machine tolerances when manufactured
Classic Mini bump stop -Front - hydrolastic suspension

Classic Mini bump stop -Front - hydrolastic suspension

Classic Mini bump stop -Front - hydrolastic suspension
Part No: 21A1598
$21.95
Qty:
Fits the following:
Classic Mini
For Hydrolastic suspension cars, they were made with a 1/4" fixing hole but this needs elongating vertically to get the bump stop to sit properly on the upper arm which had different machine tolerances when manufactured
 
 
Question:
I am installing the coil spring conversion on a wet subframe. I see that the upper arm rebound bump stop (2A4267C) is “best for conversion to coil springs.” However, from the picture it looks like it won’t fit the bolt currently holding the bump stop to the upper arm. Should I order the hydrolastic bump stop (21A1598) instead? Clif Caulfield
Answer:
Clif, Sorry for the confusion, The recommended 2A4267C is  a "Rebound" buffer while the 21A1598 and the 2A4332 are "Bump Stops". Bumps stops work when the arms move up while the Rebound buffer works when the arm drop down. 
 
 
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