{"product_id":"outsider-garage-billet-iacv-nissan-skyline-r33-rb25det","title":"Outsider Garage Billet IACV for Nissan Skyline R33 RB25DET (93-98) RB25 Idle Air Control Valve","description":"\u003cp\u003e\u003cstrong\u003eReplace the aging factory idle air control valve on your R33 Skyline with this billet IACV from Outsider Garage. It bolts to the factory three-bolt RB25DET flange and uses a common GM four-pin stepper motor that gives a standalone ECU more control over idle speed.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis is a useful upgrade for an RB25DET that has larger injectors, aftermarket cams, a front-facing intake manifold or other changes that make the factory idle valve harder to tune around. It flows approximately 20% more air than the original valve and includes a fitting for either a regular hose or an upgraded AN line.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eFitment Information\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eNissan Skyline R33 GTS25t \/ ECR33 with RB25DET engine (1993, 1994, 1995, 1996, 1997, 1998)\u003c\/li\u003e\n\u003cli\u003eOEM Nissan R33 RB25DET intake manifold with three-bolt IACV flange\u003c\/li\u003e\n\u003cli\u003eAftermarket RB25DET intake manifolds using the Nissan three-bolt IACV flange\u003c\/li\u003e\n\u003cli\u003eRB25DET-swapped vehicles using a compatible three-bolt intake-manifold flange\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eImportant ECU Requirement\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThis IACV requires an aftermarket ECU capable of controlling a four-pin stepper motor. It will not work with the factory Nissan ECU.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe supplied plug and terminals must be wired to the standalone ECU, then the stepper direction, step count and idle-control settings must be configured by the tuner.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eManifold Adapter Options\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eNone: Fits the standard R33 RB25DET three-bolt IACV flange\u003c\/li\u003e\n\u003cli\u003eRB20 \/ RB26 Adapter: Allows installation on a compatible four-bolt RB20 or RB26 manifold\u003c\/li\u003e\n\u003cli\u003eRB25DET NEO Adapter: Allows installation on a compatible four-bolt RB25DET NEO manifold\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eSelect an adapter only if your intake manifold does not have the standard R33 RB25DET three-bolt flange.\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eSpecs \u0026amp; Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eCNC-machined billet aluminum IACV housing\u003c\/li\u003e\n\u003cli\u003eCommon GM four-pin stepper motor\u003c\/li\u003e\n\u003cli\u003eApproximately 20% more airflow than the factory IACV\u003c\/li\u003e\n\u003cli\u003eMore precise idle-air adjustment than the original two-pin valve\u003c\/li\u003e\n\u003cli\u003eDesigned for the Nissan three-bolt R33 RB25DET IACV flange\u003c\/li\u003e\n\u003cli\u003e6AN ORB inlet threads\u003c\/li\u003e\n\u003cli\u003eIncludes 6AN ORB to 8AN hose adapter\u003c\/li\u003e\n\u003cli\u003eWorks with a conventional hose or custom AN idle-air plumbing\u003c\/li\u003e\n\u003cli\u003eReplacement GM stepper motors are readily available\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eOutsider Garage billet IACV housing\u003c\/li\u003e\n\u003cli\u003eGM four-pin stepper motor\u003c\/li\u003e\n\u003cli\u003eElectrical plug and terminals\u003c\/li\u003e\n\u003cli\u003e6AN ORB to 8AN hose adapter\u003c\/li\u003e\n\u003cli\u003eMounting bolts\u003c\/li\u003e\n\u003cli\u003eSelected manifold adapter, if ordered\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eConfirm the intake manifold has the correct three-bolt flange or select the required adapter.\u003c\/li\u003e\n\u003cli\u003eInstall the valve with a properly sealed mounting surface to prevent an idle-air leak.\u003c\/li\u003e\n\u003cli\u003eWire the supplied four-pin connector to a compatible standalone ECU.\u003c\/li\u003e\n\u003cli\u003eConfigure and test the stepper motor before starting the engine.\u003c\/li\u003e\n\u003cli\u003eFinal idle settings should be completed once the engine is at normal operating temperature.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003ePairs Well With\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/shop.redline360.com\/products\/radium-engineering-fuel-rail-nissan-rb25det-top-feed-conversion-20-0277\"\u003eRadium Engineering RB25DET Top-Feed Fuel Rail\u003c\/a\u003e – Convert the RB25DET to modern top-feed injectors while upgrading the fuel system for a standalone ECU and higher-power setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/shop.redline360.com\/products\/nissan-r-chassis-top-radiator-mounts\"\u003eOutsider Garage Billet Radiator Mounts for Nissan Skyline R33\u003c\/a\u003e – Replace the worn factory upper mounts and add another matching billet part to the R33 engine bay.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/shop.redline360.com\/products\/dress-up-bolts-nissan-rb25-engine-titanium-hardware-engine-bay-kit-stage-1-or-stage-2\"\u003eDress Up Bolts Titanium Hardware Kit for Nissan RB25\u003c\/a\u003e – Clean up the rest of the RB25 engine bay with corrosion-resistant titanium hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eAbout Outsider Garage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003eOutsider Garage makes practical parts for modified and imported cars, with a strong focus on Nissan Skyline and RB-powered builds. Its lineup includes idle-control parts, drive-by-wire adapters, wiring components and billet engine-bay hardware designed around the upgrades people are actually doing.\u003c\/p\u003e","brand":"Outsider Garage","offers":[{"title":"Default Title","offer_id":42997344075856,"sku":"sku-43590445858977","price":235.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0058\/0252\/4785\/files\/outsider-garage-billet-iacv-nissan-skyline-r33-rb25det.webp?v=1791233825","url":"https:\/\/shop.redline360.com\/products\/outsider-garage-billet-iacv-nissan-skyline-r33-rb25det","provider":"Redline360","version":"1.0","type":"link"}