HONDA Idle Air Control Valve. The IACV is a common problem on K-series engine, symptoms include hunting, and erratic rev behaviour. As with all genuine Honda parts expect a perfect fit and performance every time. Supplied from Honda complete with new gasket. The will fit all Honda K20A2 and K20A K-series found in the Civic EP3 and Integra DC5. Part number 16022-PRC-013.