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These adjustable upper trailing arms are available as a direct replacement of the OEM pressed style arms, allowing for easy adjustment on pinion angle and pre-load. Made of 25.4 mm x 3.9 mm tube with urethane bushed ends. When carrying out a diff conversion bracketry has to be installed onto the diff, McDonald Bros Racing now offer adjustable arms for the Holden range of vehicles that are bushed both ends with diff bracketry and hardware to suit.
11-1190 CORTINA ADJUSTABLE UPPER TRAILING ARMS
11-1150 COMMODORE ADJUSTABLE UPPER TRAILING ARMS