PowerBond Race Serpentine Underdrive SFI 18.1 Harmonic Balancer - 6.220 in OD - Black Powder Coat - Internal Balance - GM LS-Series 28125BK A step up from our

A step up from our Electra-Cool and Econo-Cool Tube & Fin type coolers

Fits with manual or automatic transmission

check valve vent Mil Spec anodized AN-8 pickup and vent fitting 360 degree mounting strap recesses - NOTE: Image shows #JAZ200-010-01 and is for reference only

damage prone truck bumpers

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PowerBond Race Serpentine Underdrive SFI 18.1 Harmonic Balancer - 6.220 in OD - Black Powder Coat - Internal Balance - GM LS-Series 28125BK A step up from ourProduct Description: Harmonic Balancer Race Serpentine Underdrive 6. 220 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.