Allstar Performance GM Metric Adjustable Rear Upper Trailing Arm 10287 The deep line of Holley

The deep line of Holley brands marries tremendous technology with cutting-edge resources and industry roots

25 in W x 23

Quick Drain

each component is CNC-machined for precision fit and unmatched flow

Allstar Performance GM Metric Adjustable Rear Upper Trailing Arm 10287 The deep line of HolleyAdjustable steel 1978 88 G body Metric upper and lower rear end trailing arms are complete with left and right 3 4" rod ends, step spacers reducing to a 1 2" hole and cut to fit stock GM type mounts. Upper arm aids in adjusting pinion angle and centering rear end. Lower arm will adjust wheel base. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in