Maintain smooth and reliable lift operation with this Cross Member Slider (2-Hole), designed for Rotary lift models SM90, SM91, SM121, SM122, SM123, SMO123, and others. This slider block helps guide and stabilize the cross member, reducing friction and wear while ensuring proper alignment during lift operation. Manufactured for durability and consistent performance, this Direct Fit replacement restores proper function when original slider blocks become worn or damaged. Ideal for professional automotive shops, it helps extend lift lifespan and maintain safe operation. SVI Part # BH-7517-31 replaces Ref # FC5706-16. Note: This is the 2-hole version. For a 1-hole version, see SVI # BH-7508-99 (Ref # FC5301-97).