and Performance Parts and Accessories
HD10031 - Big Block Pro/Street Counterweight
Pro Race Performance externally balanced harmonic balancers feature weights bolted in place which may be removed for neutral or internally balanced application. Internally balanced balancers can be used on an external application simply by ordering the correct engine specific weights and bolting them in place.
Important: Pro/Street or Pro/Sport counterweights are not interchangeable with Pro/Race counterweights.
Note: For use with HD100003 harmonic balancer only.