1-3/4" x 3" Stainless Steel Headers. Includes O2 extensions for all years.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

Applications:  2016+ Chevrolet Camaro 2016+ Cadillac ATS/ATS-V 2016+ Cadillac CTS/CTS-V

* Left hand threads between the base and the body ensures that the shock/strut doesn’t come apart when adjusting the ride height

Application: 2015+ S550 Mustang     Installation Instructions:   SPL RCAB S550 Instructions

This helps us build the spring perches to fit your struts with a tight tolerance and no slop - for quiet

Camaro Rear Toe Arms (RTAEL) for the 2016+ chassis increase stability and response by eliminating bushing deflection while providing an increased range of rear toe adjustment

as well as toe and camber change under roll

It will hold a helmet

for high-speed compression adjustment

9 hardware for absolutely zero-slip

This ensures full thread engagement for safe usage

If your strut brand is not listed

Call us for the upgraded spring perches if or when you ever upgrade