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Procharged
If your going to use the straight on oil filter adapter. Drill those four holes out to the next size bigger. Then put a hole in between each one of those holes so that you have a total of 8 holes. That of course will flow twice as much oil or better.
P3690715 shaft and gear will take care of twisting the end off of intermediate shaft. This for the iron flat tappet cams not any roller types.
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Mopar Performance Oil Pump Driveshaft and Distributor Gear Sets P3690715