PowerBond by DAYCO Race Performance Balancers are designed with a unique combination of material and castings providing the maximum strength and durability of bonded dampening rubber. Each balancer is dynamically balanced for a smooth operation and contains easy to read computer etched timing marks Product Features:Designed especially for high revving and high horsepower street and race applicationsEasy to read computer etched timing marksCNC machined AISI 1045 forged steel hub bonded to an equally strong steel inertia ringSteel inertia ring protects against forward and backward movement
