<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: 396L35</div><div class="ubbcode-body">I dont have one like that but here are the pictures that were sent to me so everyone can look and help Dave out.
Dave , I'm pretty sure for the 69 NHRA Season , the Shield pictured here was Outlawed and LAKEWOOD had the 1 piece bell with sight hole and Louvered Block saver.
A few years after that, around 73-74 ish.,,,the sight hole was outlawed as well....these both had a larger wrap around flange & the holed ones had Square welded on nuts for the block saver. Newer ones had Hex nuts welded on and the even newer ones had just holes with a smaller flange.
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