PowerBond SBC 6.75in. Steel Harmonic Balancer - SFI 911012 Eibach Spring Rubber - 80

Eibach Spring Rubber - 80 Durometer - 5" Barrel Springs - 1-1/2" Height - Polyurethane - Yellow SR

3-5/8 in Thick

Will not work with E-85 or Diesel

The ratcheting mechanism is cranked by hand with the included 1/4" ratchet handle

Deisgned to work as screw-in inlet/outlet radiator fittings for LS-Swap Radiaotr applications

PowerBond SBC 6.75in. Steel Harmonic Balancer - SFI 911012 Eibach Spring Rubber - 80Product Description: Harmonic Balancer Race Serpentine Underdrive 6. 930 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.