BHJ Dynamics offers specialty harmonic damper solutions for the automotive performance and restoration aftermarket.

State-of-the-art technology and unexcelled craftsmanship make BHJ the top choice for high performance, American made, O.E.M. style harmonic dampers.

We provide the ultimate performance harmonic damper solution for automotive, marine, aerospace and other specialty applications — all designed and crafted in the United States, from the finest all-American materials. Click here for an introduction to BHJ's Harmonic Damper lineup.

Custom Design Programs for specialized racing applications, vintage restoration and crate engine programs are also available in nearly unlimited configurations, whether S.F.I. certification is necessary or otherwise. Programs are available for a wide variety of budgets and production quantities. BHJ’s state-of-the-art damper design technology assures precise tuning for outstanding performance and long engine life in any operating environment. Contact us for more information.