ATI dampner is designed for high engine rpms and uses a outer and inner shell that is made from steel with the outer shell having 360 degrees of marks 1 degree apart for ease of timing or setting valves. The inner inertia weights are made from steel and are tuned with different harnesses of elastomer O-rings.
This dampner shell will slide right over the adpt. 2050-0054 or 2050-0054A and will allow the racer to run all the industry standard crank trigger bracket and allow the racer to mount a starter dog on the front if needed.
RBS can supply the racer all the correct parts to bolt on the front of there Hemi or BBC engine for crank trigger or a crank starter if needed. The dampner is SFI spec. 18.1.
Racer can pick from drop down menu for turbo or A-fuel application. A-fuel dampner has harder durometer O-rings than its turbo application counterpart.