SB Chevrolet 283-400 Externally Balanced
The patented ATI Super Damper is the only damper designed exclusively for high rpm performance engines. The proven elastomer design is actually two dampers in one: a 4" inner diameter and a 6 3/8" or 7" diameter outer damper in two shells that bolt to the crank hub.
     
Part #
Manufacturer
Product Name
Price