{"product_id":"precision-raceworks-mkv-toyota-supra-stand-alone-afs-bmw-b58","title":"Precision Raceworks MKV Toyota Supra Stand Alone AFS™ – B58 Engine","description":"\u003ch2\u003eOVERVIEW\u003c\/h2\u003e\n\u003cp\u003eOnce you add port injection to a direct-injected GR Supra (B58), the factory low-pressure fuel system becomes the weak link. The factory pump is PWM-controlled to reduce output once target fuel pressure is reached, putting it in constant conflict with any pump trying to feed port injection, and the HPFP's control system dumps fuel back at high pressure\/low volume, causing pressure oscillations. The Precision Raceworks Stand Alone AFS™ solves this by adding a completely dedicated, independent fuel system just for port injection.\u003c\/p\u003e\n\u003ch2\u003eSPECS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFully separate low-pressure fuel system for port injection, independent of the factory pump and PWM control\u003c\/li\u003e\n\u003cli\u003eBillet aluminum top hat with 3 high-flow fuel ports\u003c\/li\u003e\n\u003cli\u003eFully adjustable, 1:1 boost-scalable billet fuel pressure regulator\u003c\/li\u003e\n\u003cli\u003e10-micron USA-made Microglass fuel filter, ideal for E85\u003c\/li\u003e\n\u003cli\u003eSmooth-bore, high-flow PTFE feed and return lines (AN6)\u003c\/li\u003e\n\u003cli\u003ePump options: AFS.460 (single Walbro 535, 460 LPH @ 3 bar), AFS.640 (dual Walbro 450s, 640 LPH combined @ 3 bar), AFS.800 (dual Walbro 535s, 800 LPH combined @ 3 bar)\u003c\/li\u003e\n\u003cli\u003e100% E85 compatible across all components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePARTS INCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWalbro fuel pump(s) per configuration\u003c\/li\u003e\n\u003cli\u003eBillet top hat and fuel pressure regulator\u003c\/li\u003e\n\u003cli\u003e10-micron Microglass fuel filter\u003c\/li\u003e\n\u003cli\u003ePTFE feed\/return lines and fittings\u003c\/li\u003e\n\u003cli\u003eConfigurable pump activation harness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTECH RESOURCES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for port injection kits where the fuel rail mounts above the manifold — if running a plate-style spacer PI setup, contact Precision Raceworks before ordering to confirm compatibility\u003c\/li\u003e\n\u003cli\u003eSome fuel rails may require a Male AN8-ORB to Female AN6-ORB adapter (not included)\u003c\/li\u003e\n\u003cli\u003eSome wiring may need to be cut and spliced to the included connectors during install\u003c\/li\u003e\n\u003cli\u003eIf your tuner wants Solid State Relays, one is needed per pump — see the \u003ca href=\"https:\/\/x58cartel.com\/products\/precision-raceworks-solid-state-relay-upgrade-kit\"\u003eSolid State Relay Upgrade Kit\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eVideo installation instructions: \u003ca href=\"https:\/\/youtu.be\/8I5yIu_v3tY\"\u003ePRW MKV Supra Stand Alone AFS install (YouTube)\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003ePump activation harness instructions (PDF): \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/201-0049_Boost_Reference_Install_Instructions.pdf?v=1785356507\"\u003ePump Activation Harness Install\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eSetting fuel pressure — adjustable regulator (PDF): \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/settingfuelpressure.pdf?v=1785356507\"\u003eSetting Fuel Pressure\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePART NUMBER\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e601-0333 (AFS.460)\u003c\/li\u003e\n\u003cli\u003e601-0387 (AFS.640)\u003c\/li\u003e\n\u003cli\u003e601-0332 (AFS.800)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVEHICLE APPLICATIONS\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eChassis\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eGR Supra\u003c\/td\u003e\n\u003ctd\u003eA90\/A91 MKV\u003c\/td\u003e\n\u003ctd\u003eB58 3.0L\u003c\/td\u003e\n\u003ctd\u003e2020–2026\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Precision Raceworks","offers":[{"title":"AFS.460 (Single 535)","offer_id":53710901838131,"sku":"601-0333","price":1574.99,"currency_code":"USD","in_stock":true},{"title":"AFS.640 (Dual 450)","offer_id":53711039660339,"sku":"601-0387","price":1799.99,"currency_code":"USD","in_stock":true},{"title":"AFS.800 (Dual 535)","offer_id":53710901936435,"sku":"601-0332","price":1949.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/4226\/2579\/files\/TopHat_Pump_cbd6119d-9b3f-41c1-a06c-86defc6aa64e.webp?v=1784938514","url":"https:\/\/x58cartel.com\/products\/precision-raceworks-mkv-toyota-supra-stand-alone-afs-bmw-b58","provider":"x58Cartel","version":"1.0","type":"link"}