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

State-of-the-art technology and unexcelled craftsmanship rank BHJ in the top tier of American made, premium-brand performance harmonic dampers.

Browse the manufacturer-specific categories from the left menu, or click here for an introduction to BHJ's Harmonic Damper lineup. You are also welcome to contact us if you have any specific requests or suggestions. We look forward to providing you with the ultimate harmonic dampers for all your automotive, marine and specialty applications.

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.

Website News

The Tech Info section is now available (see "Information" section in the left navigation column). A general introduction to BHJ's harmonic damper lineup, as well as a comprehensive technical document of harmonic damper purpose and operation, written by Bill Sisco, our damper development engineer, are now available. More information will be added on an ongoing basis. Please contact us if you have any questions.

This website is currently under construction and as a result, you may find some missing product photos and incomplete product listings as we continue to add information and photos. Pricing is not currently posted, but should return to the product pages on or before August. In the meantime, please contact us for a price quote.

Online purchasing is scheduled to be available the Fall of 2008. Additional new products will be added as they become available.