Shop / Hoist Parts / Challenger Q12 Arm Assembly “3/8″ Spring” has been added to your cart. View cart Challenger Q12 Arm Assembly$1,393.08 In stock Challenger Q12 Arm Assembly quantity Add to cart SKU: TH-JSJ6-09-00K Category: Hoist Parts Related products Rotary 6-1/2″ Bronze & TFE Bearing Ring $201.44 Add to cart Overhead Hose $351.50 Add to cart Buttonhead Screw $10.00 Add to cart 8mm Delrin Ball $0.51 Add to cart