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8030228 6.4' Harmonic Damper 28.4 oz compatible with SBF 302 351W

Free shipping on orders over $29.99

$129.99

$ 61 .99 $61.99

In Stock
  • External Balance 28.4oz
  • Outside Diameter: 6.4 in
  • RPM Rating: 6500
  • Weight: 9.52 lbs


This damper is manufactured to match the dimensions of the stock early (1963-'69) compatible with SBF 221, 260, 289, 302, and 351W dampers. The outside diameter and the thickness are the same. The counterbalance weight matches the stock 28.4 ounce inches and the overall balance specifications are held tighter than the original O.E. tolerances. The dampers have both the early 3-bolt accessory pulley bolt pattern and the later 4-bolt as well. This will allow the use of late model serpentine drive systems on early engines if desired. The counterweight for this damper is removeable, so if you want to build a neutral balance engine, you can use this damper by simply removing the bolt-in counterweight on the back of the damper. See selection chart below to see if a spacer is required for your vehicle.


Ryan Crane
Reviewed in the United States on July 15, 2022
Balanced out well. Not much weight. Haven't ran it yet but looks nice.
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