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.
Product News
Click here to download a complete list of new and recent products. (Also includes BHJ professional engine builder tools)Recent Hilights:
- 5" O.D. Chevrolet Small Block V8, with Big Block Snout for CV Products CVD53320 Drive Hub
- All Chevrolet Small Block SFI certified dampers are now available with a Big Block crank snout option. All models have "SP" at the end of the part number.
- Chevrolet Small Block Blower Special now available in a 6" O.D. for a more compact fit
- Chrysler/Mopar 8-rib pulley damper for 6.1 Hemi, O.E.M pulley O.D., SFI certified
- Chrysler/Mopar 8-rib pulley damper for 6.1 Hemi, 7.5" overdrive pulley, SFI certified
- Ford 4.6 Modular with interchangeable 7.5" overdrive pulley, SFI certified





