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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
we have been working on a new patented valving that we are excited to release
* Two year materials and workmanship warranty
You might need to slightly modify that 3rd hole per side to use the included nut and washer hardware
This can be accomplished with basic hand tools
which shows an example of exactly what dimensions we are looking for
GM GEN 5 LT1 Header Flange - 3/8" Thick SS. Ports for 1-7/8" Primaries. firebird we have been working onKooks 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
