{"product_id":"holley-558-405-efi-transmission-wiring-harness-for-gm-4l60e-and-4l80e","title":"Holley 558-405 EFI Transmission Wiring Harness for GM 4L60E and 4L80E","description":"Trans Wire Harness GM 4L60 Pre 2009 - 4L80\n\u003cp\u003eThe Holley 558-405 EFI Wiring Harness is designed for transmission connections in applications using Holley Dominator EFI systems. It supports GM 4L60E and 4L80E automatic transmissions, providing a dedicated harness solution for integrating the transmission with the EFI system.\u003c\/p\u003e\n\u003cp\u003eThis harness is identified for GM 4L60E applications before 2009 and GM 4L80E applications. Its transmission-specific design helps simplify wiring for compatible engine management installations while maintaining a direct, organized connection between the EFI system and transmission.\u003c\/p\u003e\n\u003cp\u003eThe Holley 558-405 is sold as an individual transmission wiring harness. Verify the EFI system and transmission application before ordering to ensure this harness matches the intended installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eApplication: Transmission wiring harness for Holley Dominator EFI systems\u003c\/li\u003e\n\u003cli\u003eTransmission Compatibility: GM 4L60E and 4L80E automatic transmissions\u003c\/li\u003e\n\u003cli\u003eModel Reference: GM 4L60E applications before 2009\u003c\/li\u003e\n\u003cli\u003eProduct Type: EFI transmission wiring harness\u003c\/li\u003e\n\u003cli\u003eQuantity: Sold individually\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HOLLEY","offers":[{"title":"Default Title","offer_id":68027321975036,"sku":"HLY558-405","price":318.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/8797\/5420\/files\/HLY558-405.jpg?v=1793200593","url":"https:\/\/ozkonickustomz.com\/products\/holley-558-405-efi-transmission-wiring-harness-for-gm-4l60e-and-4l80e","provider":"Ozkonic Kustomz LLC","version":"1.0","type":"link"}