Best in 7 days
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Koni Special D (Red) Shock 89-91 Avanti All - RearKONI Special 8040 series, red painted, internally rebound adjustable twin tube low pressure gas charged shock absorber. This Part Fits: Year Make Model Submodel 1989 1991 Avanti II Base 1973 1975 Buick Apollo Base 1975 Buick Apollo SR 1971 1973 Buick Centurion Base 1973 1977 Buick Century Base 1975 1977 Buick Century Custom 1976 Buick Century Indianapolis 500 Pace Car 1973 1975 Buick Century Luxus 1975 1977 Buick Century Special 1971 1974,1976 1979
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.2 ★★★★★
Based on 1464 reviews
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Product Reviews
★★★★★ 5
Great oil
Won’t use another brand now that I’ve used these guys. Phenomenal brand, noticeable difference in the engine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
★★★★★ 5
Recommended
Excellent quality, a synthetic mixture that I will no longer use another brand for my car. I removed a little noise that I had
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2025
★★★★★ 5
Buy it !
I run this in our 2010 PT Cruiser Classic, you can hear the difference, pricey but worth it, will buy again.
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Nice item
Great product thank you
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Reviewed in the United States on January 23, 2026
★★★★★ 5
Great
I recently used this motor oil for my car, and I’m very satisfied with the results. The engine runs smoother and quieter, and I noticed improved performance almost immediately. It provides excellent protection, especially during longer drives, and helps maintain steady engine temperature.
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Reviewed in the United States on September 8, 2025
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