1-7/8" Header and GREEN (H) Connection Kit. 2007-2010 Shelby GT500 5.4L 4V 1999 Pontiac Firebird 1 EA J427GP-350 Front Coilover

1 EA J427GP-350 Front Coilover Kit

as often the first 10+ clicks provide no changes to the valving

That brace is mostly cosmetic and not a crucial part of the chassis

10" Height

* Aluminum

1-7/8" Header and GREEN (H) Connection Kit. 2007-2010 Shelby GT500 5.4L 4V 1999 Pontiac Firebird 1 EA J427GP-350 Front CoiloverKooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud