{"product_id":"nissan-vk56de-haltech-s3-w-wideband-and-custom-msa-harness","title":"Haltech Nexus S3 Plug \u0026 Play ECU \u0026 Custom MSA Harness Package for the Nissan VK56","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Nissan VK56 has quickly become one of the hottest engine swap platforms around, and until now there hasn't been a true plug-and-play ECU and wiring solution built specifically for it.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThat's where we come in.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis package combines a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHaltech Nexus S3 ECU\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMad Scientist Auto custom-built engine harness\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, giving you a professional, reliable engine management solution that's built specifically for your swap.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOur wiring quality has been proven on everything from my own record-setting VK56-powered S2000 to hundreds of customer builds, including K-Series, B-Series, LS, and countless other engine swaps. Every harness is designed, built, and tested in-house using premium components, including \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRaychem DR-25 heat shrink\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, to deliver the durability and reliability expected from a motorsports-grade harness.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eNo two swaps are exactly alike, which is why every harness is built to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eyour\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e specifications. After placing your order, we'll work directly with you through email or social media to configure your harness for your exact combination.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eChoose the cam and crank sensor setup that fits your build using the dropdown options. We also offer discounted pricing on our \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eVK56 ATI Damper \u0026amp; Trigger Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e when paired with Cherry Hall sensors for customers looking for the ultimate timing signal accuracy.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eJust as important as the parts themselves is the support behind them. When you purchase from Mad Scientist Auto, you're not left to figure it out on your own. We stand behind every harness we build and are always available to help our customers throughout their project.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eBase Package Includes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eHaltech Nexus S3 ECU\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHaltech Wideband Kit\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMad Scientist Auto custom engine harness built specifically for your application\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRaychem DR-25 protected harness\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHarness configured for either OEM Nissan sensors or Cherry Hall sensor setups\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're building a drag car, street car, drift car, or off-road project, this package delivers a clean, dependable engine management solution designed to get your VK56 running quickly—and running right.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Mad Scientist Auto","offers":[{"title":"OEM \/ NO+0 \/ NO +$0","offer_id":48105860399278,"sku":null,"price":4050.0,"currency_code":"USD","in_stock":true},{"title":"OEM \/ NO+0 \/ YES W\/O TRIGGER WHEEL +$800","offer_id":48105860333742,"sku":null,"price":4850.0,"currency_code":"USD","in_stock":true},{"title":"CHERRY HALL \/ NO+0 \/ NO +$0","offer_id":48105860595886,"sku":null,"price":4050.0,"currency_code":"USD","in_stock":true},{"title":"CHERRY HALL \/ NO+0 \/ YES W\/O TRIGGER WHEEL +$800","offer_id":48105860530350,"sku":null,"price":4850.0,"currency_code":"USD","in_stock":true},{"title":"CHERRY HALL \/ NO+0 \/ YES W\/12T TRIGGER WHEEL +$1015","offer_id":48105860563118,"sku":null,"price":5065.0,"currency_code":"USD","in_stock":true},{"title":"CHERRY HALL \/ YES +$425 \/ NO +$0","offer_id":48105860497582,"sku":null,"price":4475.0,"currency_code":"USD","in_stock":true},{"title":"CHERRY HALL \/ YES +$425 \/ YES W\/O TRIGGER WHEEL +$800","offer_id":48105860432046,"sku":null,"price":5275.0,"currency_code":"USD","in_stock":true},{"title":"CHERRY HALL \/ YES +$425 \/ YES W\/12T TRIGGER WHEEL +$1015","offer_id":48105860464814,"sku":null,"price":5490.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0262\/6699\/2739\/files\/20260313_171220.jpg?v=1783182448","url":"https:\/\/www.madscientistauto.com\/products\/nissan-vk56de-haltech-s3-w-wideband-and-custom-msa-harness","provider":"Mad Scientist Auto","version":"1.0","type":"link"}