What Power Cord can improve clarity and bass slam?

I'm a bit confused by which way you want to go. Clarity will go well with bass definition. However, bass slam and bass definition are opposite extremes from all the cords I've heard. I've heard the PAD Dominus cord that Lloydelee21 recommends and I agree it will give great bass slam. However, I would not recommend it as far as clarity and definition go. Clarity and definition you could get from Nordost Valhalla/Brahma or Stealth Dream. These cords will not have as powerful bass slam as the PAD Dominus, Elrod Statement, DCCA Passion Master, etc. Bass slam tends to come from bass being a bit bloated, or slower. Faster, tighter bass, that is better defined bass, many will say sounds lean, not boomy enough for some.

In other words, you cannot have it all. You can look for more clarity and definition OR you can look for more bass slam and musicality. The further you go in one direction the futher you get from the other.

Jmcgrogan2-Thanx for responding. I want to improve bass attack with some added weight. Maybe "slam" was an overstatement. You would think a $1000+ power cord could give bass definition in addition to bass weight and attack.

Go for the Verastarr Grand Illusion copper cord. They retail for $1795, but you can find one easily for half that price or less if you keep checking on Audiogon. It is a terrific cord in so many respects, and it has what you're looking for too. I use one, and find it totally satisfying.

Elrod Signature. The 2 for your source and the 3 for your amp. You can get them used for around $500. They were $1650 new.

Opus88, funny you should mention the Verastarr Grand Illusion copper cord. I have one for sale on another site. I would have mentioned it with the PAD and Elrod, but I didn't think many had heard of it.

Sorry Dayglow, it doesn't matter how much money you spend, whether it's on cables, cords, speakers, amps, whatever, you cannot have it all. When you improve bass definition, it comes at the expense of bass weight, and vice versa. What sounds like bass weight comes from an under-damped woofer, or one that is allowed to ring or vibrate a bit more. Those who love fast, articulate bass, or tight bass, call this bass weight, slow or boomy. If you go in the other direction and want fast, articulate bass, bass with high definition, those that like having bass weight would complain that the sound is too lean sounding. You just can't go north and south at the same time, no matter how much money you spend. Sorry.
Now it sounds to me that you wish the bass to be more prominent, which sounds like you want more bass weight to me. So I would recommend the aforementioned PAD Dominus, Elrod Signature or Statement, DCCA Passion Master or Verastarr.
I'm actually selling a Verastarr and a DCCA cord now because I went with cords that offered more speed and resolution. A Nordost Brahma and a Ridge Street Poiema!!! Signature. Happy hunting.