Out of stock
SKU: WLS481002
MPN: 481002
The Ford IAC Block off Plate from Wilson Manifolds is a precision aluminum idle air control blockoff solution for Ford engine applications. Manufactured from clear anodized aluminum, this blockoff plate eliminates the factory IAC passage when tuning or modifying fuel delivery and ignition systems, delivering cleaner engine bay diagnostics and simplified calibration control. Part number 481002, this is a direct fit solution for Ford enthusiasts and tuners pursuing consistent fuel injection tuning.
The clear anodized aluminum construction provides corrosion resistance and durability while maintaining a professional appearance in the engine compartment. Weighing just 0.2 lbs with compact dimensions of 4.34 x 1 x 5.25 inches, the plate integrates seamlessly into factory manifold locations without adding significant weight or bulk. The anodized finish resists oxidation in high-heat engine environments, ensuring long-term reliability. This blockoff plate is designed to work specifically with Ford IAC systems, making it an essential component for those eliminating traditional idle control in favor of speed-density or alpha-n tuning strategies.
Ford engine builders, ECU tuners, and performance enthusiasts rely on IAC blockoff plates during fuel injection retrofits and engine management upgrades. This plate is particularly valuable when transitioning from factory OBD1 or OBD2 systems to standalone engine control units or when optimizing manifold vacuum distribution. The blockoff eliminates parasitic vacuum loss through the IAC port and removes a potential vacuum leak source—both critical factors in achieving stable idle quality and accurate fuel tuning during dyno calibration work.
Wilson Manifolds specializes in aluminum engine components for serious Ford engine builders. The IAC Block off Plate SKU WLS481002 is a single-unit offering that pairs with manifold work, carburetor conversions, or fuel injection tuning projects where factory idle control architecture must be eliminated or isolated from the tuning environment.
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