MSD O-Ring Kit for Chevy Billet Distributors BR20054 thick flanges and incorporate Flowmaster's

thick flanges and incorporate Flowmaster's popular 3-1/2 in

Throttle Shaft Bushing

3 in Stroke

and features Flowtech's exclusive

MSD O-Ring Kit for Chevy Billet Distributors BR20054 thick flanges and incorporate Flowmaster'sO ring kit fits all MSD Chevrolet Distributors O ring kit fits all MSD Chevrolet Distributors. Product Description: O Ring Rubber MSD Billet Distributor Kit Racers never stop experimenting as they search for every way to wring out more power or handling performance to to gain an edge over the competition. The team at MSD is no different as we strive to deliver the products you need to meet your performance goals. We continue to innovate and invent