Strength › BodyKore 340lb Weight Stack Upgrade MUST HAVE TWO WEIGHT STACKS Image 1 of 2 Image 2 of 2 BodyKore 340lb Weight Stack Upgrade MUST HAVE TWO WEIGHT STACKS $360.00 Designed as an add-on for the Dual Adjustable Pulley System- Functional Trainer - MX1161NOTE The MX1161 is designed to use two weight stacks. Quantity: Add To Cart Added! Designed as an add-on for the Dual Adjustable Pulley System- Functional Trainer - MX1161NOTE The MX1161 is designed to use two weight stacks.