BBI StreetCup Spring Package
Rennlist
Listed byxBoost
Palm City, FL 34990
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Summary
This BBI Streetcup upgrade spring kit for the 991 GT3 (not RS) features 70n/mm front and 150n/mm rear spring rates. The helper spring has been modified from Swift to a thinner Eibach to achieve the lowest possible ride height without spring looseness.
Listing history
1 appearance- Nov 21, 2025RennlistSold· this listing$600
Last asking
$600
Views
233
Comments
1
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© 2026 Hypercars Technologies Inc. All rights reserved.
Hypercars Technologies Inc. is not affiliated with the companies or individuals mentioned on its site. Third-party trademarks and logos belong to their respective owners; use does not imply endorsement or affiliation. Data is provided "as is" without warranty of accuracy, completeness, or timeliness.