Oil pump pick up

[DCG]

What is the right oil pump pickup from Napa? I have a 20 bolt pan looks to be 5 1/2 inches deep. They sell 4 different ones a 5 1/4 and 5 3/8. What do you guys use?
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[turbo nasty]

Melling 20-IS2 Auto zone is where I picked up my last one.

 

[earlbrown]

Buy them both and measure your pickup to pan clearance. Then take the one back that didn't pass.