1-5/8" x 3" Steel For: NASCAR Late Model Stock (603/604 Crate Engine) (LMS GM) 1988-pontiac-firebird-esi5674963 0 nylock nut

0 nylock nut

Since 1962

performance

They are also very durable and don't break down like poly mounts do over time

* Three-step sealing system

1-5/8" x 3" Steel For: NASCAR Late Model Stock (603/604 Crate Engine) (LMS GM) 1988-pontiac-firebird-esi5674963 0 nylock nutKooks 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