I am have a 72 Challenger Rallye, 340 stroker, w/ Mopar Performance valve covers (1" pcv hole w/ 1/2" wall depth). Whoever did the build used a 0.55" ID x 1" OD (hole size) grommet made for steel covers and siliconed it into place. The PVC valve has a 1/2" stem, and so the whole setup is sloppy. I have searched high & wide for the correct grommet, and everything for MP covers seems to be for 1.22" hole size. Questions:
1. Does anyone make a grommet for these valve covers (1" hole...
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1. Does anyone make a grommet for these valve covers (1" hole...
Read more
