Originally Posted by SWGSSSlacker
The stims are for attaching a bundle or spark plug wires to the valve covers to keep them away from the headers. From the factory you car had a device that held 3 to 4 spark plug wires and that device slid over those stims. As for the different lengths .... good luck with that.
i took a look in the garage and found the clips. i didnt remember them being attached to the bolts. nice. only problem is i only could find 3 of the 4 small ones that go on the stems. i have all 4 of the big ones that dont go on the stems.