1-7/8" Stainless Headers. 2007-2010 Shelby GT500. Requires Kooks X- or H-Pipe. 2001 pontiac firebird and hit the track

and hit the track

These studs allow for an additional 1/4 inch of roll center correction compared to the previous socket head cap screws

SCCA and many other racing organizations

massive spherical bearing

The stock eccentric bolts that allow for small toe adjustments tend to slip under high cornering loads

1-7/8" Stainless Headers. 2007-2010 Shelby GT500. Requires Kooks X- or H-Pipe. 2001 pontiac firebird and hit the trackKooks 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