PowerBond Race Serpentine Underdrive SFI 18.1 Harmonic Balancer - 6.770 in OD - Black Powder Coat - Internal Balance - GM LS-Series Piston Rod Guide Extension 181 in Coil Bind

181 in Coil Bind

PerTronix 91847A Ignitor II Adaptive Dwell Control Bosch 009 and 050 Aftermarket Distributor 4 cylinder

• Locking magnet-assisted mount

1976-1980 Chrysler Valiant

PowerBond Race Serpentine Underdrive SFI 18.1 Harmonic Balancer - 6.770 in OD - Black Powder Coat - Internal Balance - GM LS-Series Piston Rod Guide Extension 181 in Coil BindProduct 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.