This item is a Rear Brake Drum Kit.  It includes Drums, Shoes, Wheel Cylinders and a Hardware Kit.  It will fit the following makes and models:

2006-2008 Chevrolet Cobalt
2006-2008 Chevrolet HHR  
2007-2008 Pontiac G5
PLEASE MAKE SURE YOU HAVE 5 LUG DRUMS BEFORE ORDERING

Kit Includes
2x Part# 11-80121 80122 - 80121 5 Lug Drum New Balanced 5 Lug Only Brake Drums
1x Part# B795 111.07951 NB795 New Organic Rear Shoe Set 4/ Shoes
2x Part# W610111 134.62068 New L & R Rear Wheel Cylinders
1x Part# 7324 Rear Brake Shoe Spring Kit Both Sides