0D24890ESV Valve Retainer Kit Compatible With Generac 90081, 90082, & 0D24890ESV. Kit Includes Qty. 1- # 0A8822 Cyl. Head Gasket, Qty. 1- # 0C3590 Exhaust Valve, Qty. 1- # 0C3591 Intake Valve, Qty. 4- # 0C3592 Valve Keepers, Qty. 2- # 0C3733 Valve Retainers, Qty. 2- # 0C4390 Valve Springs.