{"title":"Wiring Harnesses","description":null,"products":[{"product_id":"ls-ignition-coil-harness","title":"Chevrolet Performance Parts - LS Ignition Coil Harness","description":"Ignition Wiring Harness - Ignition to Coil Pack - GM LS-Series - Each","brand":"Chevrolet Performance Parts","offers":[{"title":"Default Title","offer_id":43474043240534,"sku":"FMQX_12579355","price":169.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/GMP12579355.jpg?v=1760574913"},{"product_id":"wire-harness-for-cam-position-sensor","title":"Chevrolet Performance Parts - Wire Harness for Cam Position Sensor","description":"Cam Sensor Harness - LS2 - GM LS-Series - Each","brand":"Chevrolet Performance Parts","offers":[{"title":"Default Title","offer_id":43474055954518,"sku":"FMQX_12627501","price":51.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/GMP12627501.jpg?v=1760575222"},{"product_id":"iac-ignition-harness-pro-flo-4-gm-ls-24x","title":"Edelbrock - IAC Ignition Harness Pro-Flo 4 GM LS 24x","description":"Ignition Adapter Harness - Pro-Flo 4 EFI - GM LS-Series - Each","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":43474347393110,"sku":"BDVJ_35713","price":134.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/EDE35713.jpg?v=1760582498"},{"product_id":"wiring-harness-ignition-panel","title":"Longacre - Wiring Harness Ignition Panel","description":"Switch Panel Wiring Harness - 16 Gauge - Color Coded - Longacre Switch Panel - Each","brand":"Longacre","offers":[{"title":"Default Title","offer_id":43476866465878,"sku":"BJFG_52-44930","price":37.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/LON52-44930.jpg?v=1760615593"},{"product_id":"wire-harness-pressure-sensor-0-15psi","title":"Longacre - Wire Harness Pressure Sensor 0-15psi","description":"Gauge Wiring Harness - 5 ft Length - 0-15 psi - AccuTech SMI Pressure Sensor - Each","brand":"Longacre","offers":[{"title":"Default Title","offer_id":43476892319830,"sku":"BJFG_52-43532","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/LON52-43532.jpg?v=1760616737"},{"product_id":"crank-cam-ignition-harness","title":"Holley EFI - Crank\/Cam Ign. Harness. Fully terminated harness.","description":"Crank\/Cam Ign. Harness for Ferrous Crank\/Magnetic Cam Hall Effect Sensors. Fully terminated harness.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476940685398,"sku":"GVMR_558-431","price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-431.jpg?v=1760618301"},{"product_id":"adp-harness-sniper-efi-to-efi-dual-sync-distr","title":"Adp. Harness Sniper EFI to EFI Dual Sync Distr.","description":"Ignition Wiring Harness - Plug-N-Play - Sniper EFI to Holley EFI Dual Sync Distributor - Each","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476940783702,"sku":"GVMR_558-493","price":43.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-493.jpg?v=1760618307"},{"product_id":"hei-ignition-harness","title":"Holley EFI - HEI Ignition Harness for Avenger EFI, HP EFI \u0026 Dominator EFI","description":"HEI Ignition Harness for Avenger EFI, HP EFI \u0026amp; Dominator EFI","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476940849238,"sku":"GVMR_558-304","price":60.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-304.jpg?v=1760618315"},{"product_id":"ford-mpfi-coil-on-plug-main-harness","title":"Holley EFI - Ford MPFI Coil On Plug Main Harness","description":"This harness provides a plug and play upgrade solution for those seeking to convert to Coil-On-Plug. Additionally we have pre-installed a Power Tap for easy access to 12v, 5v Reference, and Sensor Grounds. The Ford MPFI C-O-P Main Harness has also been pre-terminated for the stock Pulse Width Modulated Idle Air Control motors commonly found on Fuel Injected Windsor 5.0L engines.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476940914774,"sku":"GVMR_558-118","price":649.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-118.jpg?v=1760618322"},{"product_id":"universal-mpfi-coil-on-plug-main-harness","title":"Holley EFI - Universal MPFI Coil On Plug Main Harness","description":"This harness provides a plug and play upgrade solution for those seeking to convert to Coil-On-Plug. Additionally we have pre-installed a Power Tap for easy access to 12v, 5v Reference, and Sensor Grounds.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476940980310,"sku":"GVMR_558-117","price":599.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-117.jpg?v=1760618329"},{"product_id":"j4-connector-harness","title":"Holley EFI - Dominator EFI Connector J4 Auxiliary Harness","description":"Dominator EFI Connector J4 Auxiliary Harness","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476941045846,"sku":"GVMR_558-404","price":224.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-404.jpg?v=1760618336"},{"product_id":"j3-connector-harness","title":"Holley EFI - Dominator EFI Connector J3 Auxiliary Harness","description":"Dominator EFI Connector J3 Auxiliary Harness","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476941176918,"sku":"GVMR_558-403","price":175.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-403.jpg?v=1760618343"},{"product_id":"efi-main-power-harness","title":"Holley EFI - Main Power Harness for Avenger EFI, HP EFI, \u0026 Dominator EFI","description":"This Harness is required with HP or Dominator ECUs.  Includes, 13' long, 10 AWG main power harness, Qty. (2) 3\/8\" ring terminals and shrink tube (not pictured) .  The harness is fuse protected and covered in braided split loom for additional abrasion protection .","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476941471830,"sku":"GVMR_558-308","price":107.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-308.jpg?v=1760618351"},{"product_id":"ls-coil-on-plug-harness-universal","title":"Holley EFI - For use with Holley® HP and Dominator ECUs and other EFI systems","description":"Universal Coil On\/Near Plug Harness – Use to connect Holley PN 558-312 or factory GM LSx coil harnesses to Holley HP or Dominator ECU's","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476941635670,"sku":"GVMR_558-307","price":192.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-307.jpg?v=1760618358"},{"product_id":"ford-tfi-ignition-harness","title":"Holley EFI - Ford TFI Ignition Harness for Avenger EFI, HP EFI \u0026 Dominator EFI","description":"Ford TFI Ignition Harness for Avenger EFI, HP EFI \u0026amp; Dominator EFI","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476941766742,"sku":"GVMR_558-305","price":128.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-305.jpg?v=1760618365"},{"product_id":"flying-lead-main-harness","title":"Holley EFI - Pre-Terminated J1A \/ J1B 15' Flying Lead Main Harness","description":"The unterminated main harness comes with both J1A and J1B connectors full terminated with 15' of flying lead wiring.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476941897814,"sku":"GVMR_558-126","price":425.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-126.jpg?v=1760618373"},{"product_id":"coil-near-plug-sub-harness-big-wire","title":"Holley EFI - “Big Wire” C-N-P Ignition Sub Harness","description":"\"Big Wire\" Sub Harness- pre wired with 12ga power and grounds, for optimal performance!","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476946681942,"sku":"GVMR_558-318","price":286.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-318.jpg?v=1760618516"},{"product_id":"pro-dash-harness-un-terminated-io","title":"Holley EFI - Holley EFI Pro Dash Input\/Output Harness","description":"This wiring kit is intended to fully populate all of the inputs and outputs for part numbers 553-111 and 553-112 Pro Dashes. These can easily be inserted into the existing 34 pin dash connector. It contains loose wires and 2 and 3 conductor cable (jacketed but not shielded). There are TE superseal pins crimped on every wire and cable. There are also extra pins that can be used (likely needed when using the jacketed cable for more than one sensor).","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476947566678,"sku":"GVMR_558-456","price":283.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-456.jpg?v=1760618575"},{"product_id":"hp-efi-sub-harnesses-smart-coil","title":"Holley EFI - For use with Holley® HP and Dominator ECUs and other EFI systems","description":"HP Smart Coil ignition sub-harness. Includes a pair of coil harnesses for an 8 cylinder engine. These harnesses are similar in design to factory GM LSx coil harnesses, but plug into Holley HP Smart Coils. They plug into Holley LSx plug and play main harnesses if one wants to replace factory LSx coils with Holley HP Smart Coils. If using a non-LSx main harness, purchase PN 558-307 for connectors, wiring, terminals to connect directly to a Holley HP or Dominator ECU","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476947861590,"sku":"GVMR_558-312","price":279.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-312.jpg?v=1760618589"},{"product_id":"wiring-harness-adapter-hyperspark-ignition","title":"Holley EFI - HyperSpark Ignition Adapter","description":"Designed to plug and play with HyperSpark distributors and Holley EFI main harnesses with ignition connector.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476948123734,"sku":"GVMR_558-323","price":46.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-323.jpg?v=1760618596"},{"product_id":"efi-pro-billet-ignition-adapter","title":"Holley EFI - Holley EFI Pro-Billet Ignition Adapter","description":"Designed to plug and play with MSD Pro Billet distributors and Holley EFI main harnesses with an ignition connector, such as Holley part number 558-104.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476948254806,"sku":"GVMR_558-325","price":39.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-325.jpg?v=1760618603"},{"product_id":"map-sensor-adapter-ls1-ls2-to-ls3","title":"Holley EFI - Holley EFI LS Main Harness to LS3-style MAP Sensor Adapter","description":"Holley EFI LS main harnesses have a MAP sensor connecter designed for use with an LS1\/2 style MAP sensor.  The 558-416 is an adapter harness that can be used to adapt any LS harness that uses an LS1\/2 MAP sensor connection to an LS3 MAP.  Also great for use with LS Hi-Ram intakes that require an LS3 MAP sensor.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476952580182,"sku":"GVMR_558-416","price":40.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-416.jpg?v=1760618767"},{"product_id":"sub-harness-mopar-gen-3-hemi-vvt-srv","title":"Holley EFI - Use with Terminator X or Terminator X Max Only","description":"2009+ Gen III Hemi engines rolled off the showroom floor with Variable Valve Timing (VVT). Now, both Terminator X and Terminator X Max ECUs will allow you to control and tune the VVT with the use of the plug and play VVT harness. The fun does not stop there though! If you are using a stock intake manifold that came from the factory with the Short Runner Valve, we also have a new plug and play sub harness that will allow you to utilize the SRV actuator and capitalize on its low RPM torque benefits.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476952711254,"sku":"GVMR_558-132","price":167.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-132.jpg?v=1760618774"},{"product_id":"gm-ls-coil-sub-harnesses","title":"Holley EFI - LS COIL HARNESSES","description":"Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new Holley EFI LS Coil Sub Harness. This coil sub harness is intended to be used with factory LS coils and various Holley EFI main harnesses with Coil-on-plug connectors. The Holley EFI LS coil sub harnesses are built with the same high quality connectors and wire loom found on all Holley EFI harnesses, guaranteeing a perfect match in your engine bay.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476953170006,"sku":"GVMR_558-321","price":199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-321.jpg?v=1760618823"},{"product_id":"j2b-auxiliary-harness-kit","title":"Holley EFI - Dominator EFI Connector J2B Auxiliary Harness","description":"Dominator EFI Connector J2B Auxiliary Harness","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476953694294,"sku":"GVMR_558-402","price":175.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-402.jpg?v=1760618846"},{"product_id":"auxiliary-harness-j2a-connector","title":"Holley EFI - Dominator EFI Connector J2A Auxiliary Harness","description":"Used when adding a second wide band oxygen sensor to a Dominator EFI installation.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476953759830,"sku":"GVMR_558-401","price":228.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-401.jpg?v=1760618852"},{"product_id":"j1a-b-input-output-connector","title":"Holley EFI - For Dominator, HP, Terminator X and Terminator X Max","description":"This harness connects to the (8) pin Metri-Pack Input\/Output connector located in most Holley EFI main harnesses.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476954906710,"sku":"GVMR_558-400","price":131.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-400.jpg?v=1760618858"},{"product_id":"wire-harness-ls-to-ss-map-adapter","title":"Holley EFI - Delphi M\/P 150 to GT MAP Adapter Harness","description":"These two new MAP sensor adapters from Holley EFI allow you to quickly add a stainless steel MAP sensor to your existing installation. Holley part #558-466 adapts harnesses with a (MPFI) Weatherpack 3-pin connector to the 3-pin Delphi GT connector, commonly found on aftermarket stainless steel MAP sensors, such as the Holley 5-BAR MAP sensor, part #554-108. Holley part # 558-467 adapts harnesses with a Delphi M\/P 150 3-pin connector, commonly found on LS engine harnesses, to the 3-pin Delphi GT connector","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476958249046,"sku":"GVMR_558-467","price":36.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-467.jpg?v=1760618974"},{"product_id":"efi-gauge-module-anolog-style-can-gauges","title":"Holley EFI - Developed specifically for Holley EFI analog CAN gauges","description":"User can daisy chain as many gauges as they choose with all gauge data supplied through a one wire ECU connection. One plug and play gauge module is required per set of CAN gauges.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476959789142,"sku":"GVMR_554-130","price":149.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY554-130.jpg?v=1760618988"},{"product_id":"wiring-harness-efi-digital-dash-i-o-adapter","title":"Holley EFI - Digital Dash I\/O Adapter with unterminated Vehicle Harness","description":"Digital Dash I\/O Adapter with unterminated Vehicle Harness","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476959854678,"sku":"GVMR_558-433","price":358.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-433.jpg?v=1760618995"},{"product_id":"7-pin-main-harness-sniper-tbi","title":"7-Pin Main Harness - Sniper TBI","description":"EFI Wiring Harness - Main Battery Harness - Fuse \/ Fuel Pump Relays - Kit","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476959985750,"sku":"GVMR_558-490","price":168.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-490.jpg?v=1760619003"},{"product_id":"wire-harness-kit-efi-terminator-i-o","title":"Holley EFI - Terminator EFI Input\/Output Kit","description":"PN 558-420 contains 5 extra input\/output wires that the base Terminator EFI harness does not contain. It contains Input wires for Inputs 1-4. It contains one wire for Output 2. These inputs and outputs can perform features and functions that must be programmed via Holley EFI laptop software. The software also contains instructions on how to program these.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476960215126,"sku":"GVMR_558-420","price":52.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-420.jpg?v=1760619010"},{"product_id":"10-pin-harness-sniper-tbi","title":"10-Pin Harness - Sniper TBI","description":"EFI Wiring Harness - Input \/ Output Harness - Holley Sniper EFI - Each","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476981284950,"sku":"GVMR_558-491","price":66.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-491.jpg?v=1760619322"},{"product_id":"bench-top-efi-test-harness","title":"Holley EFI - Firmware Updating - Dash Configuration - ECU Testing","description":"Also includes a power switch for quick setup in your workspace. Power and Ground flying leads need to be connected to your battery or power supply. (Not included)","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476982038614,"sku":"GVMR_558-127","price":237.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-127.jpg?v=1760619335"},{"product_id":"i-o-adapter-for-digital-dash","title":"Holley EFI - Digital Dash I\/O Adapter","description":"Replacement I\/O Adapter for Digital Dash.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476982857814,"sku":"GVMR_558-432","price":170.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-432.jpg?v=1760619348"},{"product_id":"injector-wiring-harness-v8-bosch-style-injectors","title":"Holley EFI - V8 over Manifold, Bosch Style Injector Harness","description":"V8 over Manifold, Bosch Style Connector Harness for Avenger EFI, HP EFI, Dominator EFI and Terminator X.  GM \/ Chrysler Cylinder Orientation","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476992688214,"sku":"GVMR_558-200","price":199.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-200.jpg?v=1760619493"},{"product_id":"can-extension-harness-9in-length","title":"Holley EFI - CAN Extension Harness - 9''","description":"Can Extension Harness (for Racepak and other external CAN drives)","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476993212502,"sku":"GVMR_558-428","price":53.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-428.jpg?v=1760619507"},{"product_id":"can-extension-harness-12ft","title":"Holley EFI - CAN EXTENSION HARNESS, 12FT","description":"CAN Extension Harness (for Racepak and other external CAN drives)","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43476993507414,"sku":"GVMR_558-426","price":80.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8017\/0326\/files\/HLY558-426.jpg?v=1760619514"},{"product_id":"main-wiring-harness-ls2-ls3","title":"Holley EFI - LS2\/3\/7+ (58x\/4x) Engine Main Harness for HP EFI \u0026 Dominator EFI","description":"This harness has been designed to interface with 58x crank and 4x cam sensors. 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