Brothers LS engine mount adapter kit is the answer to popular LS engine swaps where the mounts don't line up with the proper frame location. This kit allows almost 3-inches of adjustment of the engine. These adapter plates fit most applications and make installing your LS engine much less of a hassle. Many adapter plates do not allow the transmission to line up with the transmission cross member. This improved design with no-weld brackets are CNC laser cut 1018 steel and features a durable black powder coat finish. Adapter plates are made of 1018 steel and include the correct hardware to complete the installation. Allows the engine to move from 1/2 inch rearward (great for oil pan to crossmember clearance) up to 2-1/2 inches forward allowing for a completely custom range of positions. Allows early three bolt type poly urethane motor mounts (included) to fit LS engines. Early type small block short and wide mount Includes Hi-Performance interlocked Poly Urethane Mounts and hardware.