Fluidampr Harmonic Balancer 740121 LS SBC - Each Harmonic Balancer - Fluidampr - LS Small Block Chevy - 1997-2013 Corvette / 2004-2007 Cadillac CTSV / 2008-2009 Pontiac G8 - Steel - Black Zinc Chromate - 7-1/2" dia - 10.9 lbs - SFI 18.1 - Made in USA -...