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1987 Gmc Jimmy Front Rockwell Axle

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Behind the 2 1/2-ton Rockwell front axle is a PSC Motorsports Rockwell-specific fully-hydraulic steering system. The custom traction bar is designed to control the 8-inch Chilliwack leaf springs. Stopping the 6.72:1 gear-reduction differential and 1410-equipped custom drivelines are custom pinion brakes with Wilwood calipers.