{"product_id":"holley-fuel-injection-system-master-kit-stealth-4150-flange-polished-550-870k-550-870k-2","title":"Holley Fuel Injection System Master Kit Stealth 4150 Flange Polished 550-870K","description":"\u003ch2\u003eHolley Fuel Injection System Master Kit Stealth 4150 Flange Polished\u003c\/h2\u003e\n\u003cp\u003eThe Holley Fuel Injection System Master Kit Stealth 4150 Flange Polished is an advanced fuel injection solution designed for performance enthusiasts and automotive professionals. Capable of supporting up to 650 horsepower with its four 100 lb\/hr injectors, this kit is perfect for both naturally aspirated and forced induction applications. With its innovative ECU that offers self-learning capabilities, this system enhances idle stability and overall drivability.\u003c\/p\u003e\n\u003cp\u003eIdeal for DIYers, tradies, and fleet operators looking to upgrade their vehicles, the Holley Sniper Stealth 4150 also features convenient installation options, ensuring a seamless fit into various setups. The polished finish adds a touch of aesthetic appeal while maintaining high performance.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupports up to 650 horsepower with four 100 lb\/hr injectors.\u003c\/li\u003e\n\u003cli\u003eThrottle body mounted ECU for a clean, compact installation.\u003c\/li\u003e\n\u003cli\u003eSelf-tuning ECU eliminates the need for a laptop; simple calibration wizard included.\u003c\/li\u003e\n\u003cli\u003eIntegrated ignition timing control for improved performance.\u003c\/li\u003e\n\u003cli\u003eHigh-resolution full-colour touchscreen for easy setup and tuning.\u003c\/li\u003e\n\u003cli\u003eAll wiring exits below the rear fuel injector cover for a stealthy look.\u003c\/li\u003e\n\u003cli\u003eCompatible with various GM and Ford transmissions for added versatility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFlange type: 4150.\u003c\/li\u003e\n\u003cli\u003eMaximum horsepower: 650 hp naturally aspirated, 600 hp forced induction.\u003c\/li\u003e\n\u003cli\u003eIncluded fuel pump and line for complete installation.\u003c\/li\u003e\n\u003cli\u003eRequires external fuel pressure regulator set to 58.5 PSI.\u003c\/li\u003e\n\u003cli\u003eIncludes Genuine Bosch LSU 4.9 Wideband Oxygen Sensor for real-time tuning.\u003c\/li\u003e\n\u003cli\u003eAvailable finishes: Polished, Black, and Gold (coming soon).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications \/ fitment\u003c\/h3\u003e\n\u003cp\u003eThis fuel injection system is typically used in high-performance street vehicles, racing applications, and custom builds where enhanced fuel delivery and engine management are essential.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePerfect for passenger vehicles seeking improved performance.\u003c\/li\u003e\n\u003cli\u003eIdeal for 4x4s and off-road vehicles needing reliable fuel injection.\u003c\/li\u003e\n\u003cli\u003eSuitable for race cars requiring precise fuel management.\u003c\/li\u003e\n\u003cli\u003eCompatible with various GM TH350\/400, 200R4\/700R4, and Ford C4\/C6 applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy buy from Mick’s Gone Bush?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTrusted Australian business focused on reliable power, auto-electrical, and service parts.\u003c\/li\u003e\n\u003cli\u003eStock sourced from reputable distributors and brands like Holley.\u003c\/li\u003e\n\u003cli\u003ePractical support for trade, off-grid, and fleet customers.\u003c\/li\u003e\n\u003cli\u003eClear shipping, warranty, and dedicated customer service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003ch4\u003eIs this kit suitable for my vehicle?\u003c\/h4\u003e\u003cp\u003eThis kit is designed for high-performance applications and is compatible with various GM and Ford transmission setups. Please check your vehicle specifications for compatibility.\u003c\/p\u003e\n\u003ch4\u003eDo I need a laptop for tuning?\u003c\/h4\u003e\u003cp\u003eNo, the Holley Sniper Stealth 4150 features a self-tuning ECU with a simple calibration wizard that allows you to set up and tune without a laptop.\u003c\/p\u003e\n\u003ch4\u003eWhat type of fuel pressure regulator do I need?\u003c\/h4\u003e\u003cp\u003eYou will need an external fuel pressure regulator set to a base pressure of 58.5 PSI for optimal performance.\u003c\/p\u003e\n\u003ch4\u003eCan I install this myself?\u003c\/h4\u003e\u003cp\u003eYes, the installation is designed to be straightforward, with bolt-on components and minimal wiring connections required.\u003c\/p\u003e\n\u003ch4\u003eWhat finishes are available for this kit?\u003c\/h4\u003e\u003cp\u003eThe kit is available in polished, black, and gold finishes, allowing you to choose the best aesthetic for your vehicle.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is this kit suitable for my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This kit is designed for high-performance applications and is compatible with various GM and Ford transmission setups. 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