Harmonic Balancers

ATI Serpentine Super Damper LS 2010-15 Camaro Z-Body Harmonic Balancer 10% UD 6 & 4 Rib 918629  Only OEM A/C pulley size available for LS3 Camaro. NAPA belt #s 25060827, 25040353AC  The patented ATI Super Damper is the only crankshaft...

ATI Super Damper GM LS1/LS2 GTO Harmonic Balancer 918853 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 specs Black...

ATI Serpentine Super Damper LS3/LS7 Corvette/Camaro Harmonic Balancer 8 & 4 Rib w/ AC 918620 *Non-removable A/C Pulley - OEM diameter *2010-13 LS3 Corvette Grand Sport coupes with manual transmission com equipped with a dry sump system, LS7 damper...

ATI Serpentine Super Damper GM LS Corvette/G8 Harmonic Balancer 10% UD 6 & 4 Rib 917278 *Requires shorter serpentine belt. Goodyear pt #4060785 for accessories & 4040405 for AC. *Contains 40 durometer rubber. Not for full race engines...

ATI Serpentine Super Damper GM LS Corvette/G8 Harmonic Balancer 6 & 4 Rib 917246 The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines. Eliminates torsional crankshaft...

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...

ATI Serpentine Super Damper GM Gen V L86/L83 Harmonic Balancer 4+3 Rib 918645 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 Z-Body Camaro/Cadillac Harmonic Balancer 6 & 4 Rib 918854 No supercharger pulley supplied. 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 740121 Fluidampr is a torsional vibration damper.  Its function is to provide durability by controlling destructive torsional vibration.  A side benefit to vibration...

ATI Serpentine Super Damper GM LS1/LS2 F/V-Body Harmonic Balancer 25% UD 6 Rib 918844 * Requires and includes 1.25” longer crank bolt (951359) with washer (953075). * Requires shorter belts: Gates #K060760 - 6 rib, #4040390 - 8 rib The...

ATI Super Damper GM LS1 F Body Harmonic Balancer (8 & 4 Rib) 917345A 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/LS3/LS6 Harmonic Balancer 8 & 4 Rib 917345 The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines. Eliminates torsional crankshaft vibrations Exceeds SFI 18...