The OSS Operator Kit Bag was designed for the mission-minded individual
but a huge increase in consistency of the vehicle when pushed to the limits of the tire
either matched to the coilover sized spring you need (2
Instructions: Please watch this video to see how to tighten the top nut for this version
* Each shock and strut is hand built
1-7/8" Header and GREEN Connection Kit. 2007-2008 GM 1500 Series 4.8L/5.3L/6.0L 1991-pontiac-firebird-esi6483971 The OSS Operator Kit BagKooks 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