Harmonic Balancers

ATI Serpentine Super Damper GM LS Harmonic Balancer COPO Camaro 6 & 4 Rib 918427-16 2016+ LS - 350, 396, 427 - A-Body Nat. Aspirated 7.074" OD The patented ATI Super Damper is the only crankshaft damper designed exclusively for high...

ATI Serpentine Super Damper GM LS1/LS2 F/V-Body Harmonic Balancer 6 & 4 Rib Dry Sump 918852 * Requires and includes 1.25” longer crank bolt. * Equipped with a 4 rib, 8mm HTD 25-tooth pulley.  The patented ATI Super Damper is the...

ATI Serpentine Super Damper GM LS3/LS7 Corvette/Camaro Harmonic Balancer 10% UD Dry Sump 8 Rib 918620UN The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines. Eliminates torsional...

ATI Serpentine Super Damper GM LS9 ZR1 Corvette Harmonic Balancer 14% OD 11 & 6 Rib 918624 * Non-removeable A/C Pulley - OEM Diameter The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy...

ATI Super Damper GM LS Harmonic Balancer 2012-15 COPO Camaro 6 & 4 Rib 918427 * Designed for the 350, 396, and 427 c.i.d. GM LS-based COPO Camaro crate engine. * Can be built with a smooth shell assembly #918850 and titanium bolts The...

ATI Super Damper GM LS1 SB Harmonic Balancer 1.483" Crank 917777 The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines. Eliminates torsional crankshaft vibrations Exceeds SFI 18.1...

ATI Super Damper GM LS1/LS2/LS6 GTO Harmonic Balancer 10 & 4 Rib 917347X The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines. Eliminates torsional crankshaft vibrations Exceeds SFI...

ATI Super Damper GM LS3/LS Truck Harmonic Balancer 4% OD 8/4 Rib 917285 The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines. Eliminates torsional crankshaft vibrations Exceeds SFI 18.1...

ATI Super Damper GM LS3/LS Truck Harmonic Balancer 6% OD 10 Rib w/ AC 918625 The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines. Eliminates torsional crankshaft vibrations Exceeds SFI...

ATI Super Damper LSA CTS-V/ZL1 Harmonic Balancer 6 Rib w/No AC 918859 No supercharger pulley supplied. Pulleys available in the option set The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy...

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...