Note: Special Handling Fees Apply for Specific ItemsThis alloy pivot-style L-Arm from Miller Industries fits Formula 1 and Formula6500 wheel lifts on Century 400 and 600 Series and Challenger 4700 and 4800Series wreckers. Also known as a tire restraint or wheel retainer, thisaluminum L-Arm fits 2″ x 3″ outer crosstubes and features a scoop style tirepan. The drivers side part can be used to replace Part Nos.: 12-0803648 and12-0903489 and the passenger side part can be used to replace Part Nos.:12-0803649 and 12-0903490. Option of driver or passenger position Fits 2″ x 3″ outer crosstubes Pivot style receivers Alloy construction Scoop style tire pan 4,000-lb. capacity Driver side (12-0904156) replaces Part Nos.: 12-0803648 and 12-0903489 Passenger side (12-0904157) replaces Part Nos.: 12-0803649 and 12-0903490 Fits: Century 400 Series Century 600 Series Challenger 4700 Series Challenger 4800 Series