Originally Posted by johnxxx

I looked at this... Is this something you had on your Z too?

Not sure if I would trust having a valve spring on my oil drain plug for the sake of convenience...I look at it as a POF I can do w/o. With that said, there are very few negative reviews, however, most of them point to leaks and fitment issues. Just be careful... would hate to see you lose an engine from a $30 dollar part. I'd be interested in hearing if this works for you.

Half the fun of changing my oil is whether or not I drop the oil drain plug in the pan or not.