Boss 429 Ford 7 Inch Harmonic Damper w/built in Spacer #214


Designed specifically for Boss 429 Big Block Ford High Performance engines, this SFI 18.1 Approved Balancer with short snout features an all aluminum case design for light weight, stress-proof steel hub and 1040 steel inertia rings for durability. Wet clutch friction design style with precision machined harmonic dampening for street and race engines.

Note: This damper features an integrated crank spacer for use with the Short Crank Snout of the Boss 429 engine.

  • Outer Diameter: 7″
  • Weight: N/A call
  • Exceeds SFI 18.1 standards and is marked on front with SFI Sticker, and on the rear with SFI number stamped into unit.


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

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