very durable and don't break down like poly mounts do over time
each equipped with drain holes for functionality in all conditions
please look at the photo below
which matches the factory front spring diameter as well as all lowering springs offered for the S550 Mustang
5" DOM Mild Steel construction - USA Made here in Cali
1-7/8" Stainless Headers & GREEN Catted Exhaust Kit. 2010-2015 Camaro SS/ZL1 2009 Ford Mustang very durable and don't breakKooks 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