PowerBond Race Performance Harmonic Balancer - Underdrive - 6.220" OD - SFI 18.1 - Steel - Black Paint - Internal Balance - GM LS-Series HSXSC11PA F-250 1999-1997

F-250 1999-1997

Extang holds more patents than any other truck accessories company

but with "Pro-Flo" under head design

Foam Rubber

Quality welds for strength

PowerBond Race Performance Harmonic Balancer - Underdrive - 6.220" OD - SFI 18.1 - Steel - Black Paint - Internal Balance - GM LS-Series HSXSC11PA F-250 1999-1997Product Description: Harmonic Balancer Race Performance Underdrive 6. 220 in OD SFI 18. 1 Steel Black Paint 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.