ATI 15% Underdrive Pulley 2009-Current Ram/Durango

Save your accessories from over spinning when turning higher RPMs and save the crankshaft from vibrations. The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chrysler, Dodge and Mopar Engines - including the new HEMI!Whether you race or just drive on the street, ATI's harmonic balancers are the perfect choice. The ATI 15% underdrive pulley is for Ram/Durango 5.7/6.4 equipped vehicles. Eliminates torsional crankshaft vibrations Exceeds SFI 18.1 specs Black zinc chromate finished OEM equipment on 392 Mopar Crate Engines Tunable, rebuildable, and extremely efficient Laser engraved 360° timing marks