6.5″ Small Block Ford 50oz External Balanced 4 Bolt Damper #204X50


* Note: Blower Hub Required for 1/4 Keyway Applications.

The #204X50 damper is designed for use in SBF engines using 50oz. externally balanced crankshaft. The damper utilizes the stock late model 4 bolt pulley pattern and the spacing matches the 86-93 Mustang accessory system. This damper is best matched for stock or modified engines producing up to approximately 1000 hp Naturally Aspirated (up to 1500 hp with power adder).

  • Outer Diameter: 6.5″
  • 50 oz External Balance
  • Weight: 9.7 to 10 lbs depending on options
  • 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.

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

Add an additional 1/4" Keyway to your Damper. (Requires a Blower/Super Duty Hub or BBC Crank Snout)

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