PowerBond Street Harmonic Balancer - 7.240" OD Steel Black Paint - External Balance 4122LRGBU Both studs are threaded 5/8"x18

Both studs are threaded 5/8"x18 RH thread to screw directly into either the rack or spindle and are held in position with a jam nut

medium and large fits the following Bell SA2010 Helmets:

5" offset rear brake packages from AP

The precision ground crown face insures long life for both cam and lifter in the harsh competition environment

A reversible top allows for forward- or firewall-facing throttle body installations

PowerBond Street Harmonic Balancer - 7.240" OD Steel Black Paint - External Balance 4122LRGBU Both studs are threaded 5/8"x18Product Description: Harmonic Balancer Street 7. 260 in OD Steel Black Paint Internal Balance Mopar RB Series Sold Individually PowerBond produces steel harmonic balancers that are designed to outperform conventional harmonic balancers without the weight penalty of many competitive balancers.