F20B/PCB/H23A IACV Blockoff

Rosko Racing IACV blockoff plate for the F20B/PCB intake manifold with factory 3 wire IACV.  NOTE: Make sure that your manifold says PCB on it near the throttle body flange and that your IACV is mounted to the front side of the manifold. There is more than one style of the F20B intake manifold so please make sure that your manifold is marked with the PCB designation, and that the factory IACV is mounted to the front side of the manifold. IF you are unsure which F20B manifold you have please contact us for assistance.

If your IACV is mounted to the rear of the intake manifold please see part # RR-200-019.