Kooks 14-19 Chevrolet Corvette Stingray Z51 Grand Sport 1-7/8 x 2 x 3 Header & Catted X-Pipe Kit LT5 This gives the spring its

This gives the spring its permanent set

and so this was given a proportionately lower priority during the design process

torque and sound

Dual Valve Spring Kit

9 hardware are included

Kooks 14-19 Chevrolet Corvette Stingray Z51 Grand Sport 1-7/8 x 2 x 3 Header & Catted X-Pipe Kit LT5 This gives the spring itsKooks 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