Suits S/B Chev 283-400

ATI917220

I917220

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 OEM equipment on ZZ572 GM Crate Engines Tunable, rebuildable, and extremely efficient at ALL RPM Laser engraved 360° timing marks