There is no problem with clearance without a spacer. I don't have any pictures, but it's about 1/8" with our suspension, it will fit without issues.
Single adjustable recommendation -->
http://www.tcklineracing.com/webdocs.../Details17.cfm
Double adjustable recommendation -->
http://www.tcklineracing.com/webdocs...Details159.cfm
If you have any questions, please feel free to ask