<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: mockingbird812</div><div class="ubbcode-body">What would the application be for this cap? </div></div>
Here's another listing for one that also shows the applications. Fits just about all V8s with 15 lb closed systems;
ebay link
This one was also a true auction, which bid to just under $80, so maybe that is a good ballpark estimate of market value.