Limited Edition - Kooks 4th of July Snapback Hat 1991-pontiac-firebird-esi6483971 This item uses a 11/16"

This item uses a 11/16" thread while item #2102 uses 5/8" thread

Vis at 100 degrees C 6

pt 08886-02105

consistency

Vis at 40 degrees C 23

Limited Edition - Kooks 4th of July Snapback Hat 1991-pontiac-firebird-esi6483971 This item uses a 11/16"Kooks 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