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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
We do not recommend adjusting height on the car without a thrust bearing kit
The kit includes two bushings and two washers to prevent lateral movement
4 grams Zinc (Zn)
Avg PPM 425
The TIG welded construction ensures durability under demanding conditions
UMI rear coilover kit – 225lb AutoX spring 1991-pontiac-firebird-esi6483971 We do not recommend adjustingUMIs bolt in rear coilover bracket kit is a complete mounting solution for your Quick Performance axle in your 1978 1988 GM G Body. This bracket features a multi position design to allow further fine tuning of ride height and shock location. In addition to shock location adjustability, the UMI 3054 features five positions of trailing arm location adjustment to match the Quick Performance adjustable lower control arm brackets. Minor drilling is
