1-7/8" Stainless Headers. 2007-2010 Shelby GT500. Requires Kooks X- or H-Pipe. 2001 pontiac firebird massive spherical bearing

massive spherical bearing

Based on customer requests for a high-performance offering for the street/track enthusiast

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

and hit the track

1-7/8" Stainless Headers. 2007-2010 Shelby GT500. Requires Kooks X- or H-Pipe. 2001 pontiac firebird massive spherical bearingKooks 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