Harmonic Balancers

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 LS3/LS7 Corvette/Camaro Harmonic Balancer 10% UD Dry Sump 8 & 4 Rib 918620U * Non-removable AC-pulley - OEM Diameter The patented ATI Super Damper is the only crankshaft damper designed exclusively for high...

ATI Serpentine Super Damper GM LS9 ZR1 Corvette Harmonic Balancer 11 & 6 Rib 918634 * Non-removeable A/C Pulley - OEM Diameter The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines...

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 Gen III/IV LS Truck Harmonic Balancer 6 & 4 Rib w/ac 917286 * All 2010-2015 Z Body Camaro dampers are compatible with this application, including OEM 6 rib as well as 8 rib and 10 rib overdrive blower dampers The patented...

ATI Serpentine Super Damper GM LS Harmonic Balancer 2016+ COPO Camaro Crate 5.6% OD 10 & 4 Rib 918327-16 * Designed for 2016 GM COPO 327 and 350 supercharged crate engine. The patented ATI Super Damper is the only crankshaft damper designed...

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 Serpentine Super Damper GM LT1/LT4 2016+ Camaro/CTS-V Harmonic Balancer Wet Sump 6 & 4 Rib 918856  The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines...

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 Serpentine Super Damper LS 2010-15 Camaro Z-Body 6 Rib w/o AC 918644 The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines.  Eliminates torsional crankshaft...

ATI Serpentine Super Damper LS 2010-15 Camaro Z-Body Harmonic Balancer 6 & 4 Rib 918628 The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines.  Eliminates torsional...

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...