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Title: Wrench off nut is worth it
Review: The wrench off nut welded on the bottom of these filters is worth every penny these things cost. I use a six-sided 1" socket and never have to worry about a filter wrench slipping or stripping. I started using K&N wrench off filters on my motorcycle and realized how convienent these were. I started using them on my other vehicles and now I don't want to use anything else. K&N has one of the best anti-drainback valves in the industry. That keeps the oil up to the top of the engine after you shut it off. I know the valve works, because when you take the filter loose to change it after draining the pan, a whole bunch more oil comes out around the filter. You get what you pay for, and good oil and filters are much cheaper than parts.
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