Steel Material: Engine mount adapter is made of high strength steel material, rust resistant, sturdy and durable, not easy to bend and break. 2in Adjustment: Engine mount adapter plate will support 2in adjustment and position the LS engine 1/4in higher than the other adapter plates. Description: These mounts will not clear low mount ac or low mount GTO rear alternator brace, but they will clear low mount alternators with limited movement. Simple Installation: The installation is simple, direct replacement for the old or broken one, convenient for using, save your time and energy. 2 x LS Engine Swap Mount. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.