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Old 12-27-2017   #2
Registered User
Join Date: Oct 2012
Location: IN
Posts: 555

Re: Super Rare Options, including: RPO U1A on 1989 GTA

Yep, someone spent some money on that beast! Especially in 1989!

My 91 has the U1A option. When I ran the SPI codes, I was surprised to see what turned up. Who'd of thought an option code as simple as a radio could make a car unique!
1991 GTA, SLP Perfomance Package
1989 GTA, 26K Original Miles
1988 GTA, Stock
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