Nissan Skyline R33 Air Regulator Valve IAC RB25

Restore precise idle control and eliminate surging issues with the New Genuine Nissan Skyline R33 Air Regulator Valve (IAC) for RB25, available exclusively at Terra Firma Automotive. This factory-original Unisia Jecs unit is the exact OE replacement designed for RB25DET-equipped R33 Skylines, ensuring seamless compatibility and optimal performance. Known to wear over time, the air regulator valve plays a crucial role in managing idle speed, particularly during cold starts. A failing or sluggish IAC valve can lead to unstable idle or erratic engine behavior—symptoms no enthusiast wants to battle.

Unlike questionable aftermarket replicas, this genuine Nissan IAC valve comes new in the box, backed by OEM engineering and build quality. Its factory calibration provides immediate improvements to engine stability, offering a smoother, more consistent idle response in all conditions. Whether you're chasing a factory-correct restoration or solving long-standing idle irregularities, this valve delivers the reliability and performance your RB25 deserves.

Please note, this part is not intended for RB20E single cam motors. Terra Firma Automotive is your trusted source for rare and genuine Nissan Skyline components, ensuring enthusiasts and restorers get exactly what their build demands. Don’t settle for inferior substitutes—rely on original Nissan quality to keep your R33 running like it should.

• Not For RB20E Single Cam Motors