HarmonicDampers.com - American Made, Professional Grade, Performance Harmonic Dampers

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Blower Special 7" BB Chevrolet Harmonic Damper


Available Options:

Select Second Keyway Size







  • Description
  • Inventory Details
  • Fits Chevy Big Block V8
  • Blower Special with 6-Bolt 2.80" Bolt Circle Pattern & 2" Register
  • Internal Balance
  • 6.7" O.D.
  • 2.85" Overall Length
  • 10.4 lbs. Gross Weight
  • Billet Steel Construction
  • SFI 18.1 Certified
  • Dual Keyways Standard: Select either 1/4", 3/16", or No Second Keyway
  • Part Number: CH-IBB-7-BSP
  • Shipping Weight: 13lbs
  • Manufactured by: BHJ Dynamics

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