The product is a pair of left and right exhaust manifolds designed for vehicles such as Express, Tahoe, Savana, and Sierra. These cast iron manifolds are bolt-on style with no oxygen sensor location. The gray-colored manifolds are suitable for gasoline fuel type and come with a California Prop 65 warning for cancer and reproductive harm. The product includes the manufacturer part numbers 12562235 and 12556078, and is compliant with various interchange part numbers for specific vehicle models. Made in China, this pair of exhaust manifolds is a necessary component for the proper functioning of the vehicle's emission system. Exact item set is shown. New open box without original packaging. Set weight 31 lbs. Manifolds only, no gaskets or hardware. Made in China. No returns on installed items or partial sets. This item is new with opened or damaged packaging. It may or may not be a customer return. It has been inspected and passed quality control to insure the condition described and contents are accurate. It may show minor wear from handling. Please review actual photos as stock photos are not the actual item, our photos are. You will ONLY receive exactly what is shown in photos, regardless of what might have originally been included. Please review our business policies in our store for information regarding returns, shipping and warranties.