90° Oil Filter Adapter - Lower $ Price X 2 Last Chance

Oldmanmopar said
When the holes are inline they are early they staggered the holes to make them stronger. Here is one with the 4 staggered holes and the one with two oval holes. These bolts are not that easy to find.

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I ran one just like I have for sale for 4 years on a street 340, no breakage, no leaks, no issues.