Harmonic Balancers

ATI Serpentine Super Damper GM LS Corvette/G8 Harmonic Balancer 10% UD 6 Rib 28 Tooth 917289 * Steel hub is equipped with a 8mm HTD x 28-tooth Dry Sump pulley.  The patented ATI Super Damper is the only crankshaft damper designed...

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...

ATI Serpentine Super Damper GM LS Corvette/G8 Harmonic Balancer 10% UD 6 Rib 917279 *Requires shorter serpentine belt. Goodyear pt #4060785 for accessories & 4040405 for AC. *Contains 40 durometer rubber. Not for full race engines. Specify 66...

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 Rib 917303 The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines. Eliminates torsional crankshaft vibrations Exceeds...

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...

ATI Serpentine Super Damper GM LS Corvette/G8 Harmonic Balancer 6 Rib 917266 The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines. Eliminates torsional crankshaft vibrations Exceeds...

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 Serpentine Super Damper GM LS3/LS7 Corvette/Camaro Harmonic Balancer 10% OD 10 rib  8" w/ AC 918622 *2010-13 LS3 Corvette Grand Sport coupes with manual transmission come equipped with a dry sump system, LS7 damper is required The patented ATI...

ATI Super Damper GM LS3/LS Truck Harmonic Balancer 10 rib w/AC 918627 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 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...