Add to Favorite Sellers. LSSK87U Brothers Trucks Adjustable LS Engine Adapter Kit – Urethane. Our 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 our 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. Holley Factory Refurbished Items are warranted for a period of 90 days from date of sale for defects in material and workmanship. Any defective items will be repaired or replaced at Holley’s discretion. Customer Service & Feedback. So we have a chance to make it right – we want your repeat business! Check out the official Holley Performance. For more great deals!!