Optima V6-2.7L VIN 4 (2007)
Harmonic Balancer - Crankshaft Pulley: Specifications
Crankshaft pulley
Crankshaft pulley bolt ............................................................................................................... 166.7 - 176.5 Nm (17.0 - 18.0 kgf.m, 123.0 - 130.2 lb-ft)