Originally Posted by tclederman
41-53 Accelerator Linkage Return Spring Lower Clip

The clip was not used from 54 and onwards. There was a hole in the side of the bottom pan, or the spring was attached to the water drain/outlet near the rear of the block.
Tim, I hate to disagree with you, but the '55-'59 did use a clip for the throttle return spring. It is a different design than the one shown in your link, though. Throttle linkage '55-'59.

Bill Burmeister