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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
The MMR Performance Lowering Spring Kit is one of our best-sellers
Fits S63 Engine
no splicing
This item is not eligible for return once opened
Internal 6mm allen stud drive for stud installation
IRL 991.1 991.2 GT3 GT3RS Race Headers Crankshafts The MMR Performance Lowering Spring"Maximize your Porsche's performance with IRL 991. 1 991. 2 Race Headers. Designed specifically for the GT3 and GT3RS models, these race headers offer exceptional power and sound to enhance your driving experience. Upgrade to top tier performance with IRL." It is a violation of Federal and Illinois State laws to use this product in a manner inconsistent with its labeling. Our products are "Legal Only For Racing Vehicles Which May Never Be Used, Or