Product Description
ATI - Lower Crank Pulley
ATI 918854
Fits: 2009-2015 CTS-V LSA / 2012+ ZL1 LSA
KITS INLUDES: ATI Lower Balancer for LSA Engine / Lower Supercharger Pulley of your choice (Optional) / ARP Crankbolt (Optional)
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 zinc chromate finished
Tunable, rebuildable, and extremely efficient at ALL RPM
Laser engraved 360° timing marks
The ATI Serpentine Super Damper contains grooves for serpentine belts machined into the outer damper shell. The dampers come standard with 6 outer grooves for standard OEM drive systems. 8 & 10 grooves are available for supercharger or turbo applications. Serpentine dampers are available in a variety of diameters. Crank hubs may be fitted with a 6 groove serpentine pulley to drive external oil pumps or vehicle accessories.
