Big Block Chevy (BBC) 7″ Super Duty Harmonic Damper #106

$495.00$570.00

Specifically designed for Extreme Duty Boosted Applications on the Big Block Chevy, this Damper exceeds SFI 18.1 ratings and is designed specifically for Blower or Turbo Applications on Big Block Chevys making over 2000 hp.

  • Outer Diameter: 7″
  • Weight: 8.3 lbs
  • Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.
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Options

Double 3/16" Keyway Add On

Add an additional 3/16 Keyway to your Damper. Required the crankshaft to be machined for a second keyway 180* out from the original keyway. *Requires damper purchase.

3/16" x 1/4" Keyway Add On

Add an additional 1/4" Keyway to your Damper. Required the crankshaft to be machined for a second keyway 180* out from the original keyway. (Requires a Blower/Super Duty Hub or BBC Crank Snout) *Requires damper purchase.

Double 1/4" Keyway Add On

Dual  1/4" Keyways (Requires a Blower/Super Duty Hub or BBC Crank Snout) Required the crankshaft to be machined for a second keyway 180* out from the original keyway. *Requires damper purchase.

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