Meant for LiftMaster Jackshaft and Trolley operators, these modification kits offer you even more customization for your overhead door opening needs. Including Auxiliary Side Mounting kits for side mounting, Dual Trolley modifications for extra stabilization, and Chain & Trolley kits for extra length or strength to open your overhead doors. Offered in lengths up to 26' and up to 2,200 lbs, these modification kits give your overhead operators the extra boost they need.
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