Big Block Ford BDS Pulley Style 7 Inch Blower Damper with Long Snout #216


Just because you’re running a BDS Style Blower doesn’t mean you have to run a solid hub, you can STILL run a Damper and SAVE YOUR CRANK!

This SFI 18.1 Approved Balancer is designed for BDS (Blower Drive Services) and other Roots Blower Pulleys to bolt right up. It features all aluminum case design for light weight, stress-proof steel hub and 1040 steel inertia rings for durability. Wet clutch friction style precision machined harmonic dampening for street and race engines.

This model is made for Long Snout Crankshafts. When using a short snout crankshaft, please use the #217 damper.

  • Outer Diameter: 7″
  • Weight: 8.2 lbs
  • 6 Bolt, 2.760″ Pulley Pattern
  • Male 2 Pulley Register for BDS and other Roots Style Blower Pulleys
  • The crankshaft spacer is built into the hub on the damper. A separate spacer is not needed
  • The damper hub is cut for botht he 1/4″ stock crankshaft key as well as 3/16″ to engage with the stock 3/16″ timing chain key
  • Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.


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. This is a labor option for new damper purchase only.

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