1-5/8" x 1-3/4" Torque Series Headers w/EGR 1999-2001 GM Truck 4.8L/5.3L/6.0L. 1984-pontiac-firebird-esi1382254 The compression valving options are

The compression valving options are the same as the Crusader Series

race and off-road applications

1 EA J326GP-350 Front Coilover Kit

Since the Berserker™ series has street use in mind

24" Front Width

1-5/8" x 1-3/4" Torque Series Headers w/EGR 1999-2001 GM Truck 4.8L/5.3L/6.0L. 1984-pontiac-firebird-esi1382254 The compression valving options areKooks 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