{"product_id":"holley-efi-550-870","title":"Holley EFI 550-870 - 4150 Sniper Stealth; 4150 Flange; 870 CFM; 58.5 PSI; Shiny Finish; Works w\/700R4\/200R4\/C4\/C6\/TH350 Transmissions;","description":"\u003cp\u003eHolley EFI 550-870 - 4150 Sniper Stealth; 4150 Flange; 870 CFM; 58.5 PSI; Shiny Finish; Works w\/700R4\/200R4\/C4\/C6\/TH350 Transmissions;\u003c\/p\u003e\u003cp\u003e4150 Sniper Stealth; 4150 Flange; 870 CFM; 58.5 PSI; Shiny Finish; Works w\/700R4\/200R4\/C4\/C6\/TH350 Transmissions;\u003c\/p\u003e\u003cp\u003eThe Sniper Stealth 4150 EFI system from Holley features 4, 100LB\/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600 HP on forced induction applications. The Sniper Stealth 4150 ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower! Did we mention that the Stealth 4150 also includes transmission kick down provisions for GM TH350\/400, 200R4\/700R4 and Ford C4\/C6 applications. For a complete installation, Master Kit part # 550-870K includes a complete fuel system with an external fuel pressure regulator preset to 58.5psi, 20ft of 3\/8 in. Vapor Guard Fuel Hose, Fuel Pump, Filters, necessary hardware, and bulkhead fitting to return fuel into the tank!\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBolt On 4150 Flange Carburetor Replacement\u003c\/li\u003e\n\u003cli\u003eThrottle Body Mounted ECU - No Extra Boxes To Mount\u003c\/li\u003e\n\u003cli\u003eSupports Up To 650Hp With Four 100 Lb\/Hr Injectors\u003c\/li\u003e\n\u003cli\u003eIncludes High Pressure Fuel Crossover Line\u003c\/li\u003e\n\u003cli\u003eAll Of The Wiring Exits Below The Rear Fuel Injector Cover\u003c\/li\u003e\n\u003cli\u003eIntegrated Ignition Timing Control\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\u003c\/div\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":47328155893898,"sku":"HOLEFI-550-870","price":1599.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/0619\/2778\/files\/0_550-876_v1_normalized_2b6ded83-4a12-4da6-8ac4-f7c7c7a2c7f6.jpg?v=1776741978","url":"https:\/\/www.onlyinstock.com\/products\/holley-efi-550-870","provider":"Only In Stock","version":"1.0","type":"link"}