{"product_id":"stanadyne-7-45mm-high-flow-lt4-direct-fuel-injector","title":"Stanadyne 7.45mm High-Flow LT4 Direct Fuel Injector","description":"\u003ch2\u003e61% More Flow Than an OEM LT4 Injector - Without Sacrificing the OE Spray Pattern\u003c\/h2\u003e\u003cp\u003eThe Stanadyne LT4 Gen 1 high-performance direct injector is manufactured from the ground up as a new performance injector. It is not a modified or reworked OEM injector. Precision laser-drilled nozzle technology increases available fuel flow while preserving the six-hole OE spray pattern and factory targeting designed into the GM combustion chamber.\u003c\/p\u003e\u003cp\u003eThe result is the additional direct-injection capacity needed for serious naturally aspirated, supercharged and turbocharged Gen V LT applications, while retaining OE-quality idle and drivability after correct characterization and calibration.\u003c\/p\u003e\u003ch3\u003eVerified Flow Increase\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e61% greater flow than an OEM LT4 injector\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e88% greater flow than 2020-2023 LT2 injectors\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e116% greater flow than 2023+ LT2 small-stem injectors\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eInjector tip diameter: 7.45 mm, OE dimension\u003c\/li\u003e\n\u003cli\u003eNozzle holes: 6, matching the OE layout\u003c\/li\u003e\n\u003cli\u003eNozzle technology: precision laser drilled\u003c\/li\u003e\n\u003cli\u003eSpray pattern and targeting: same as OE\u003c\/li\u003e\n\u003cli\u003eNormal operating pressure: 220 bar\u003c\/li\u003e\n\u003cli\u003eMaximum fuel pressure: 280 bar\u003c\/li\u003e\n\u003cli\u003eDirect drop-in fitment for the OEM fuel rail and cylinder head\u003c\/li\u003e\n\u003cli\u003eFinite Element Analysis validated design\u003c\/li\u003e\n\u003cli\u003eCompatible with gasoline and E85-capable fuel systems\u003c\/li\u003e\n\u003cli\u003eDesigned for naturally aspirated, supercharged and turbocharged combinations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Document\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0760\/2041\/6831\/files\/Stanadyne-LT4-Injector-Technical-Details_b5756ec8-b992-4871-bae4-e6c494555353.png?v=1784666853\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOpen Injector Technical Details in a New Tab\u003c\/a\u003e\u003c\/p\u003e\u003ch3\u003eOrdering and Calibration Notes\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eSold individually.\u003c\/strong\u003e A V8 installation requires eight injectors unless replacing a single verified unit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProfessional calibration is required.\u003c\/strong\u003e Injector characterization, high-pressure pump output, low-side fuel delivery, commanded rail pressure, fuel type and target lambda must be evaluated together. Final power capability depends on the complete combination rather than the injector alone.\u003c\/p\u003e\u003cp\u003eSMG Speed Shop and North Texas High Performance can help match these injectors with the correct Stanadyne high-pressure pump, low-side fuel system and calibration strategy for your GM LTx build.\u003c\/p\u003e","brand":"Stanadyne","offers":[{"title":"Sold Individually","offer_id":54142845845823,"sku":"01160","price":225.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/2041\/6831\/files\/AEJ_6954.jpg?v=1784666322","url":"https:\/\/smgspeed.com\/products\/stanadyne-7-45mm-high-flow-lt4-direct-fuel-injector","provider":"SMGspeed","version":"1.0","type":"link"}