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No matter the condition of your 2003 CTS, OPGI offers twelve Engine Assembly related parts to boost performance and get your 2003 CTS back on the road. Choose from trusted brands like Blueprint Engines and Lokar, with prices ranging from $7,999.99 to $32,795.99, all backed by our Price Match Guarantee. With OPGI’s 60-day return policy and thousands of verified reviews, you can shop confidently for your 2003 CTS restoration. Enjoy fast shipping directly to your home, or visit our Southern California Showroom & Warehouse to see our Engine Assembly related parts in person.
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