Harmonic Balancers

ATI Serpentine Super Damper GM LS Corvette/G8 Harmonic Balancer 6 & 4 Rib 918848 *Requires shorter belts: Gates #K060775 - 6 rib, Goodyear #K040405 - 4 rib *For no A/C - Order Hub #916349D with pulley delete ring. The patented ATI Super...

ATI Serpentine Super Damper GM LS Corvette/G8 Harmonic Balancer 6 Rib 918847 The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines. Eliminates torsional crankshaft vibrations Exceeds...

ATI Super Damper GM LS1/LS2/LS6 F-Body GTO Harmonic Balancer 10% UD 6 Rib 917277 *Contains 40 durometer rubber. Not for full race engines.  *Belts: A/C 4040390, and Accessories 4060775  The patented ATI Super Damper is the only...

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...

ATI Serpentine Super Damper GM LS1/LS2 F/V-Body Harmonic Balancer 10% UD 6 & 4 Rib Dry Sump 918855 * Requires and includes 1.25” longer crank bolt. * Equipped with a 4 rib, 8mm HTD x 25-tooth pulley.  The patented ATI Super...

ATI Serpentine Super Damper GM LS1/LS2 F/V-Body Harmonic Balancer 6 & 4 Rib 917242  The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines. Eliminates torsional...

ATI Serpentine Super Damper GM LS3/LS7 Corvette/Camaro Harmonic Balancer Dry Sump 8 Rib 918620N *2010-13 LS3 Corvette Grand Sport coupes with manual transmission com equipped with a dry sump system, LS7 damper is required. The patented ATI Super Damper...

ATI Serpentine Super Damper Wet Sump LT1 2016+ Camaro SS Harmonic Balancer 10% UD 6 Rib 918857 *  Will fit 2016+ CTS-V and 2017+ ZL1 but is NOT recommended for their HP levels The patented ATI Super Damper is the only crankshaft...

ATI Super Damper GM LS1 SB Harmonic Balancer 1.483" Crank  917213 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 SB Harmonic Balancer 1.483" Crank 917776 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 Serpentine Super Damper Dry Sump LT1/LT4 2014+ Corvette Stingray Harmonic Balancer 6 Rib 917315 *LT4 Corvette Stingray Requires a supercharger pulley (Available in Option List) The patented ATI Super Damper is the only crankshaft damper...

ATI Serpentine Super Damper GM LS Corvette/G8 Harmonic Balancer 6 & 4 Rib 917304 * Steel hub is equipped with a 8mm HTD x 28-tooth Dry Sump pulley. Standard 6-rib on shell. The patented ATI Super Damper is the only crankshaft damper...