2-1/8" x 3-1/2" 304 Stainless Steel Slip-On Collector 1992-pontiac-firebird-esi4307584 9 Hex Cap Bolts with

9 Hex Cap Bolts with Lock Nuts Sold as a pair

This valving provides excellent low speed control with sufficient high speed forces

The stock eccentric bolts provided by Chevrolet for small toe adjustments tend to slip under high cornering loads

for high-speed compression adjustment

2-1/8" x 3-1/2" 304 Stainless Steel Slip-On Collector 1992-pontiac-firebird-esi4307584 9 Hex Cap Bolts withKooks 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