{"product_id":"holley-sniper-2-efi-self-tuning-fuel-injection-system-master-kit-polished-800-cfm-650-hp","title":"Holley Sniper 2 EFI Self-Tuning Fuel Injection System Master Kit Polished 800 CFM 650 HP","description":"\u003cdiv\u003e\n\u003ch2\u003eHolley Sniper 2 EFI Self-Tuning Fuel Injection System Master Kit Polished 800 CFM 650 HP\u003c\/h2\u003e\n\u003cp\u003eThe Sniper 2 EFI takes the proven Holley self-tuning EFI platform and adds 14 advanced features to simplify installation, boost reliability, and modernize performance. This 4-barrel (4150 flange) conversion system powers engines up to 650 HP naturally aspirated or 575 HP on boost with four 100 lb\/hr injectors, delivering easy cold starts, smoother drivability, and improved fuel economy—without the guesswork of traditional carburetors.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSelf-tuning with calibration wizard:\u003c\/strong\u003e answer a few simple engine questions to create a base map and begin self-tuning—no laptop required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMinimal wiring footprint:\u003c\/strong\u003e only four connections are needed: Battery+, Battery-, Switched Ignition, and RPM.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePowerful, modern ECU:\u003c\/strong\u003e next‑generation ECU delivers improved RF noise and interference resistance, designed to stand up to older wiring, noisy alternators, and faulty plug wires.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePolished 800 CFM throttle body:\u003c\/strong\u003e redesigned throttle shaft and plate geometry provide a smoother, more linear throttle feel.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSniper Ecosystem compatibility:\u003c\/strong\u003e seamless integration with plug-n-play Hyperspark ignition systems, fuel systems, multiple displays, and more for a complete, modern EFI solution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIntegrated ignition timing flexibility:\u003c\/strong\u003e main harness includes plug-and-play HyperSpark distributor support for integrated timing control, helping simplify ignition setup.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHidden Harness for clean install:\u003c\/strong\u003e rear-exit \"Hidden Harness\" wiring keeps the engine bay looking tidy and organized.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAdapters for other ignition types:\u003c\/strong\u003e 558-329 CD Box to Sniper 2 and 558-330 MSD Pro Billet \/ Crank Trigger to Sniper 2 adapters available separately.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile display and tuning interfaces:\u003c\/strong\u003e choose from a 3.5-inch full-color LCD handheld, a 5-inch Digital Dash, or a Bluetooth dongle for wireless access.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOptional Power Distribution Module (PDM):\u003c\/strong\u003e isolates the core EFI and ignition wiring in one compact module—slide stripped wire ends under the positive lock connector and tighten. Battery and a switched 12-volt source power the PDM and Sniper EFI.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEasy home installation:\u003c\/strong\u003e designed for garage-style setup with limited tools, guided by Holley’s installation manual and videos to get you driving quickly.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePerformance you can feel:\u003c\/strong\u003e modern cold starts, smoother drivability, and improved fuel economy compared to traditional carbureted setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMax power readiness:\u003c\/strong\u003e supports up to 650 HP naturally aspirated or 575 HP on boost with four 100 lb\/hr injectors (NEW).\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBuilt to endure real-world wiring:\u003c\/strong\u003e upgraded RF noise and interference resistance helps the system stay reliable in varied electrical environments (NEW).\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePolished finish, powerful 800 CFM capability, and a self-tuning approach combine to deliver a modern fuel-injection experience that respects classic engines while unlocking modern performance. If you’re upgrading from a carburetor and want a system that’s both easy to install and capable of evolving with your setup, Sniper 2 EFI provides a targeted, race-bred solution.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":47300659871914,"sku":"HO550-510-3XK","price":4058.7,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7829\/4698\/files\/6fd9251e1bf4976e3148d056c8f9af722d068838.webp?v=1754372907","url":"https:\/\/tgmperformance.com.au\/products\/holley-sniper-2-efi-self-tuning-fuel-injection-system-master-kit-polished-800-cfm-650-hp","provider":"TGM Performance Parts","version":"1.0","type":"link"}