{"product_id":"vti-mil-spec-fueltech-ft450-engine-harness","title":"Mil-Spec FuelTech FT450 Engine Harness – Honda 4-Cylinder | Pre-Order | VTI","description":"\u003ch1\u003eVTI Mil-Spec FuelTech FT450 Engine Harness – Honda 4-Cylinder\u003c\/h1\u003e\u003ch2\u003e⚠️ Pre-Order — Built To Order. Ships After Production.\u003c\/h2\u003e\u003cp\u003eThis harness is available on a \u003cstrong\u003epre-order basis only\u003c\/strong\u003e. When you order, your build enters our production queue and is constructed specifically for your engine platform, injection strategy, and connector configuration. Typical lead time is \u003cstrong\u003e3–5 weeks\u003c\/strong\u003e. Rush builds available upon request.\u003c\/p\u003e\u003cp\u003eThis is not a universal loom. This is a structured race harness platform — built specifically for the FuelTech FT450 ECU on 4-cylinder Honda track applications. Every circuit is properly allocated, every transition is sealed, and every branch is labeled and strain-relieved.\u003c\/p\u003e\u003cp\u003eIf you're building a serious track car and you want the wiring to match the rest of the build — this is it.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eMil-Spec Construction Standard\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRaychem DR-25 heat shrink loom throughout\u003c\/li\u003e\n\u003cli\u003eAdhesive-lined sealed transitions at every breakout\u003c\/li\u003e\n\u003cli\u003eFully booted breakouts — no exposed splices\u003c\/li\u003e\n\u003cli\u003eConcentric twisted trunk routing\u003c\/li\u003e\n\u003cli\u003eShielded crank and cam circuits\u003c\/li\u003e\n\u003cli\u003eEngine-side black DR-25 \/ cabin-side Raychem yellow tag identification\u003c\/li\u003e\n\u003cli\u003eLabeled and strain-relieved branches\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNo split loom. No tape-wrapped transitions. No shortcuts.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eD-Series\u003c\/li\u003e\n\u003cli\u003eB-Series\u003c\/li\u003e\n\u003cli\u003eH-Series\u003c\/li\u003e\n\u003cli\u003eF-Series\u003c\/li\u003e\n\u003cli\u003eK-Series\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTrack-focused and simplified race chassis setups only.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eEngine Management Circuits Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCrank (Shielded)\u003c\/li\u003e\n\u003cli\u003eCam (Shielded)\u003c\/li\u003e\n\u003cli\u003eTPS\u003c\/li\u003e\n\u003cli\u003eIAT\u003c\/li\u003e\n\u003cli\u003eECT\u003c\/li\u003e\n\u003cli\u003eWideband O2 Input\u003c\/li\u003e\n\u003cli\u003eFuel Pump Output\u003c\/li\u003e\n\u003cli\u003eFan Control Output\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eInjection Strategy Options\u003c\/h2\u003e\u003ch3\u003eFull Sequential\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e4 Injector Outputs\u003c\/li\u003e\n\u003cli\u003e4 Ignition Outputs\u003c\/li\u003e\n\u003cli\u003eUp to 3 Additional Sensor Inputs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIdeal for road race and precision fuel control applications.\u003c\/p\u003e\u003ch3\u003eNon-Sequential \/ Batch\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2 Injector Outputs (Paired)\u003c\/li\u003e\n\u003cli\u003e4 Ignition Outputs\u003c\/li\u003e\n\u003cli\u003eUp to 3 Additional Sensor Inputs\u003c\/li\u003e\n\u003cli\u003eUp to 4 Additional Auxiliary Outputs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIdeal for drag builds and output-heavy setups.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eSensor Expansion\u003c\/h2\u003e\u003cp\u003eUp to 3 additional white input channels available for: Oil Pressure, Fuel Pressure, Flex Fuel, Turbo Speed, EMAP, Driveshaft Speed, Brake Pressure, Oil Temp, Fuel Temp. Need more I\/O? Step up to the FT550 platform.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eConnector Options\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOEM Honda-style or AEM \/ Motorsport-style sensor connectors\u003c\/li\u003e\n\u003cli\u003eHonda, USCAR, or EV1 injector connectors\u003c\/li\u003e\n\u003cli\u003eCoil-on-plug or smart coil ignition connectors\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eFT450 vs FT550\u003c\/h2\u003e\u003cp\u003eFT450 is ideal for track-focused 4-cylinder race builds using relay-based architecture. FT550 is designed for full PDM integration and complete vehicle electrical replacement. Choose the platform that fits your chassis and integration needs.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eHow Pre-Order Works\u003c\/h2\u003e\u003cp\u003eAfter purchase, you'll receive a \u003cstrong\u003eBuild Confirmation Form\u003c\/strong\u003e to finalize your engine platform, injection strategy, connector preferences, and routing configuration. Production begins once your form is submitted — your harness is built exactly to your spec before it ships.\u003c\/p\u003e","brand":"VTI","offers":[{"title":"Full Sequential (4 Injector \/ 4 Ignition Outputs) \/ Direct Run (No Bulkhead) \/ Standard DTM Expansion (Included)","offer_id":47594271801536,"sku":null,"price":1200.0,"currency_code":"USD","in_stock":true},{"title":"Full Sequential (4 Injector \/ 4 Ignition Outputs) \/ Direct Run (No Bulkhead) \/ VTI Relay \u0026 Fuse Integration","offer_id":47594330685632,"sku":null,"price":1450.0,"currency_code":"USD","in_stock":true},{"title":"Full Sequential (4 Injector \/ 4 Ignition Outputs) \/ Standard Motorsport Bulkhead \/ Standard DTM Expansion (Included)","offer_id":47594271834304,"sku":null,"price":1500.0,"currency_code":"USD","in_stock":true},{"title":"Full Sequential (4 Injector \/ 4 Ignition Outputs) \/ Standard Motorsport Bulkhead \/ VTI Relay \u0026 Fuse Integration","offer_id":47594330718400,"sku":null,"price":1750.0,"currency_code":"USD","in_stock":true},{"title":"Full Sequential (4 Injector \/ 4 Ignition Outputs) \/ Premium Autosport Bulkhead \/ Standard DTM Expansion (Included)","offer_id":47594271867072,"sku":null,"price":1800.0,"currency_code":"USD","in_stock":true},{"title":"Full Sequential (4 Injector \/ 4 Ignition Outputs) \/ Premium Autosport Bulkhead \/ VTI Relay \u0026 Fuse Integration","offer_id":47594330751168,"sku":null,"price":2050.0,"currency_code":"USD","in_stock":true},{"title":"Non-Sequential \/ Batch (2 Injector \/ 4 Ignition Outputs) \/ Direct Run (No Bulkhead) \/ Standard DTM Expansion (Included)","offer_id":47594272096448,"sku":null,"price":1200.0,"currency_code":"USD","in_stock":true},{"title":"Non-Sequential \/ Batch (2 Injector \/ 4 Ignition Outputs) \/ Direct Run (No Bulkhead) \/ VTI Relay \u0026 Fuse Integration","offer_id":47594330783936,"sku":null,"price":1450.0,"currency_code":"USD","in_stock":true},{"title":"Non-Sequential \/ Batch (2 Injector \/ 4 Ignition Outputs) \/ Standard Motorsport Bulkhead \/ Standard DTM Expansion (Included)","offer_id":47594272129216,"sku":null,"price":1500.0,"currency_code":"USD","in_stock":true},{"title":"Non-Sequential \/ Batch (2 Injector \/ 4 Ignition Outputs) \/ Standard Motorsport Bulkhead \/ VTI Relay \u0026 Fuse Integration","offer_id":47594330816704,"sku":null,"price":1750.0,"currency_code":"USD","in_stock":true},{"title":"Non-Sequential \/ Batch (2 Injector \/ 4 Ignition Outputs) \/ Premium Autosport Bulkhead \/ Standard DTM Expansion (Included)","offer_id":47594272161984,"sku":null,"price":1800.0,"currency_code":"USD","in_stock":true},{"title":"Non-Sequential \/ Batch (2 Injector \/ 4 Ignition Outputs) \/ Premium Autosport Bulkhead \/ VTI Relay \u0026 Fuse Integration","offer_id":47594330849472,"sku":null,"price":2050.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/IMG_2844.jpg?v=1772236711","url":"https:\/\/www.vtecinnovations.com\/products\/vti-mil-spec-fueltech-ft450-engine-harness","provider":"VTI","version":"1.0","type":"link"}