Harmonic Balancers

Fluidampr GM LS3/L99/LS Truck Harmonic Balancer 760121 - 25% Underdrive Fluidampr is a torsional vibration damper.  Its function is to provide durability by controlling destructive torsional vibration.  A side benefit to...

Fluidampr GM LS3/L99/LS Truck Harmonic Balancer 760111 Fluidampr is a torsional vibration damper.  Its function is to provide durability by controlling destructive torsional vibration.  A side benefit to vibration control is...

Fluidampr GM LS1/LS2/LS6 Corvette CTS-V Harmonic Balancer 740121 Fluidampr is a torsional vibration damper.  Its function is to provide durability by controlling destructive torsional vibration.  A side benefit to vibration...

Fluidampr GM LS1/LS2/LS6 F-Body GTO Harmonic Balancer 740111 Fluidampr is a torsional vibration damper.  Its function is to provide durability by controlling destructive torsional vibration.  A side benefit to vibration control...

Fluidampr GM LS1/LS2/LS6 Corvette CTS-V Harmonic Balancer 620131 Fluidampr is a torsional vibration damper.  Its function is to provide durability by controlling destructive torsional vibration.  A side benefit to vibration...

Fluidampr GM LS1/LS2/LS6 F-Body GTO Harmonic Balancer 620121 Fluidampr is a torsional vibration damper.  Its function is to provide durability by controlling destructive torsional vibration.  A side benefit to vibration control...

GM LS 6.325" Elastomer Harmonic Balancer This LSX Harmonic Balancer is 30% more efficient above 5,000 rpm and frees up horse power over stock dampers. The shell is CNC-machined and is designed to mount to the crank hub so the timing marks never change...

ARP GM LS Harmonic Balancer Bolt Kit 234-2503 For GM Gen III/IV 4.8L, 5.3L, 5.7L, 6.0L, 6.2L.  Will not fit LS7.