PowerBond Race Performance Harmonic Balancer - Underdrive - 6.220" OD - SFI 18.1 - Steel - Black Paint - Internal Balance - GM LS-Series H766001 Complete with Grade 8 mounting

Complete with Grade 8 mounting hardware

430 lb/in Spring Rate

1986-1995 Ford F-150

Directional mounting arrow is provided

T-Nuts / Flanged Hex Nuts Included

PowerBond Race Performance Harmonic Balancer - Underdrive - 6.220" OD - SFI 18.1 - Steel - Black Paint - Internal Balance - GM LS-Series H766001 Complete with Grade 8 mountingProduct 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.