Their is no such thing
a black box
chevy iroc-z28 camaro
look in the yellow pages
look on your drivers door at the specification tag.
1988 thru 1998 look basicly the same.
On the bottom of the oil pan, look for the large bolt.
One can find parts for the 2014 Chevy Impala Sports Sedan at any Chevy car dealership. Chevy car dealerships are located all around the world. Look on their website to find the one closest to you.
As a 1958 Chevy Impala is a classic car there is no guarantee that one will be able to purchase one anywhere. However, good places to look include Craigslist, eBay and AutoTrader.
look on your drivers side door on the specifications label.
Take a look at that site: http://www.tocmp.com/ a lot of info there!
look in front of the gas tank along the frame on the drivers side.
Look under the shifter in the console area