There was an LTZ Tahoe on display at our annual State Fair this year. It had some nice chrome side steps with black plastic step pieces. I asked the gal that was handing out brochures for the Tahoe if they were standard and came on the Tahoe and she said "yes." Unfortunately, she didn't know the price or make of the steps. Does anybody have the part number for these? Oh, they were the oval style (not round) and they had three black plastic brackets/areas that they attach to the body (not two on the ends like most side steps/nerf bars).

 

Z71 Off-Road Package
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Leave no road unturned with the Z71 Off-Road Package, available on LT2 and LT3 models. Included in the package are:

The legendary Z71 suspension
New 18-inch aluminum wheels
On-/off-road tires
Automatic locking rear differential
High-pressure shocks
Oversized wheel flares
Satin chrome door handles, tubular assist steps and mirror caps
Z71-specific front fascia with rectangular foglamps and satin chrome grille insert
Skid Plate Package
Z71 badging ("Z71" on 2WD, "Z71 4x4" on 4x4)
4x4 models feature the Autotrac system
Leather-appointed Ebony seats that can be accented with Morocco Brown or Light Titanium inserts
Brushed metal appearance on the instrument panel, on the instrument panel, center stack, steering wheel and door panels
Z71-specific gauge cluster

 

GM has something that sounds similar to what you saw as P/N 124997706 for $596.

http://www.gmaccessories.net/mccarthychevrolet

 

As stated above the z71 is the only tahoe that has the chrome tubular bars standard. I think the lady was wrong! I dont know when your state fair was, but I dont believe the z71 was the one being shown. It probably wasnt available then. I could be wrong, but I think she was wrong.

As 73 shark stated you can purchase them from GM, but they are pricey. There will be an aftermarket brand come out soon on ebay for $200. I will probably wait for them. I am cheap! Ok, maybe not cheap but poor!

 

I have them on my 07 Tahoe. They are a GM Accessory, part number 12499706. The retail price will vary from dealer to dealer but you should be able able to find someone to sell them to you for under $500. Installation at the dealership should be approx .5 hr