PowerBond Harmonic Balancer - 8" - SB Chevy 400 - External Balance RS007B0109W Intended for street/strip use

Intended for street/strip use

Used by many Cup and Grand National teams

Pro Stock team since the 1960s and every weekend still today

Silicon palm and touch points for superior grip and limited bunching

PowerBond Harmonic Balancer - 8" - SB Chevy 400 - External Balance RS007B0109W Intended for street/strip useMost standard harmonic balancers are assembled with inserted dampening rubber which won't handle the torque forces and higher revs the modern engines generate. This leads to spinning of the inertia ring resulting in loss of timing accuracy and eventual component separation. Often these balancers are made of relatively weak Grey cast iron which often cracks in the keyways and centre webbing. Even expensive all steel or alloy performance balancers from