These have 4340 grade Steel Inner Hub / Alloy Outer Ring, for Street, Strip or Marine applications with dual keyways. They have a STD 3/16” and 1⁄4” 180 degrees opposite keyways. All Blown balancers come with a larger seal boss diameter.

They are available in External or Neutral Balance configurations. There is a weight saving applicable to our Steel/Alloy units. Front inner hub face can be Standard Factory layout or our standard 6 Bolt pattern with a 2” inch register which suits standard blower pulleys.

The RPM ranges to 10,000.

SKU RM-HB427B
Brand ROMAC
Shipping Weight 5.0000kg
Shipping Width 0.230m
Shipping Height 0.080m
Shipping Length 0.230m

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