All anti-roll bar tubes are made of chromoly, which has good toughness to balance traction and prevent body roll during racing. Balance Shaft Oil Pump for Hyundai/Kia 2.4L Sonata/Optima 233002G520. Aluminum Oil Pan for Chevrolet SS/Camaro V8 6.2L 2010-2017 12640748 w/ Gasket.