System Features OEM compressor refrigerant line O-ring adapters.GM A-6 and R4 complete kit. Kit includes GM A-6 and R4 early-style compressor adapter block kit with bolt and O-rings (34108-VUG), GM A-6 and R4 offset flange pad seal washer kit (33602-VUI), GM A-6 and R4 seal washer for non-O-ring compressor (33600-VUI). Vehicle Fitment warning California Proposition 65 arrow_drop_down WARNING: California proposition 65
