SBF Header Flange 3" Inline Bolt Pattern- 3/8" Thick Steel. Ports for 1-7/8" corvette Vorshlag upper spring perches are

Vorshlag upper spring perches are included and built to fit the strut style and spring diameter you select

The rebound valving has a progressive curve that is strictly determined via orifice control

* Adjustment knobs: Labeled with a “C” for compression and an “R” for rebound with distinctive clicks

best fitting

SBF Header Flange 3" Inline Bolt Pattern- 3/8" Thick Steel. Ports for 1-7/8" corvette Vorshlag upper spring perches areKooks 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