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 Serpentine Series dampers fit all ATI GM-front crank hubs and can be adapted to many engine combinations providing maximum flexibility. These dampers are available in steel or lightweight hard-coated aluminum and come with laser engraved 360° timing marks. Exceeds SFI 18.1 specs.
 
DRY SUMP
CRANK BOLT INCLUDED 
HARDENED HUB and 6mm KEY INCLUDED
 
LT5 APPLICATIONS DO NOT INCLUDE LOWER SUPERCHARGER RING