PowerBond Race Serpentine Underdrive SFI 18.1 Harmonic Balancer - 6.770 in OD - Black Powder Coat - Internal Balance - GM LS-Series SSSK 058 in Chromoly Shaft

058 in Chromoly Shaft

16-158 ohm (later model Fords) and 240-33 ohm (aftermarket senders such as the AutoMeter 3262)

1/2 in Mounting Holes

10 AN Hose to 6 AN Banjo

PowerBond Race Serpentine Underdrive SFI 18.1 Harmonic Balancer - 6.770 in OD - Black Powder Coat - Internal Balance - GM LS-Series SSSK 058 in Chromoly ShaftProduct Description: Harmonic Balancer Race Serpentine Underdrive 6. 770 in OD SFI 18. 1 Steel Black Powder Coat Internal Balance GM LS Series Sold Individually PowerBond produces steel harmonic balancers that are designed to outperform conventional harmonic balancers without the weight penalty of many competitive balancers.