UMI rear coilover kit adjusts ride height & damping for Quick Performance 1984-pontiac-firebird-esi1382254 ASTM D4741 6

ASTM D4741 6

Any deflection causes a change in alignment

Vortex Rok TT and similar engines

and allow for full articulation with the proper ball joint angle

25" drop in the front and 1

UMI rear coilover kit adjusts ride height & damping for Quick Performance 1984-pontiac-firebird-esi1382254 ASTM D4741 6The UMI bolt in rear coilover kit provides comprehensive adjustments for ride height, spring rate, and damping, in addition to enabling trailing arm adjustments for precise calibration of the instant center. This kit is equipped with a fortified upper mount, specifically designed to accommodate a 2 1 2 racing coilover with a double shear configuration. The lower brackets, engineered through Finite Element Analysis (FEA), are reinforced and are