Enjoy free shipping on all orders over $100 (excluding oversized items), with most orders shipped on the same day!
{"id":4849763713102,"title":"Holley 550-501 Univ HP EFI Retrofit Engine Management System","handle":"hly550-501","description":"\u003cp\u003eFuel Injection - HP EFI - Multi Port - 1000 CFM - Dominator - Aluminum - Natural - Universal - Kit\u003c\/p\u003e","published_at":"2024-04-17T16:29:57-05:00","created_at":"2020-10-08T14:34:40-05:00","vendor":"HOLLEY","type":"Fuel Injection Systems","tags":["Calibration Module Included: No","Distributor Included: No","ECM Included: Yes","EGR: No","Fuel Pressure Regulator Included: No","Fuel Pump Included: No","IAC Motor Included: No","IAT Sensor Included: No","Injection Style: Multi-port","Injectors Included: No","Intake Manifold Included: No","MAP Sensor Included: No","Metering Style: Speed density","Multi-Port Fuel Rails Included: Yes","Oxygen Sensor Included: No","Power Adder Compatible: Yes","Quantity: Sold as a kit.","Self Tuning: Yes","Throttle Body Included: Yes","Throttle Body Mounting Flange: 4500 Dominator","Timing Control Compatible: Yes","TPS Sensor Included: No","Transmission Controller Included: No","User Tunable: Yes","Venturi Diameter (mm): 54.00mm","Venturi Quantity: 4","Wiring Harness Included: Yes"],"price":431095,"price_min":431095,"price_max":431095,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":32666260701262,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HLY550-501","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Holley 550-501 Univ HP EFI Retrofit Engine Management System","public_title":null,"options":["Default Title"],"price":431095,"weight":10442,"compare_at_price":null,"inventory_management":"shopify","barcode":"090127666890","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.winnerscircle.com\/cdn\/shop\/products\/HLY550-501.jpg?v=1602185681"],"featured_image":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/HLY550-501.jpg?v=1602185681","options":["Title"],"media":[{"alt":"HLY550-501","id":8025258459214,"position":1,"preview_image":{"aspect_ratio":1.878,"height":900,"width":1690,"src":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/HLY550-501.jpg?v=1602185681"},"aspect_ratio":1.878,"height":900,"media_type":"image","src":"\/\/www.winnerscircle.com\/cdn\/shop\/products\/HLY550-501.jpg?v=1602185681","width":1690}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003eFuel Injection - HP EFI - Multi Port - 1000 CFM - Dominator - Aluminum - Natural - Universal - Kit\u003c\/p\u003e"}

Holley 550-501 Univ HP EFI Retrofit Engine Management System

Product Description
$4,310.95
Maximum quantity available reached.

Fuel Injection - HP EFI - Multi Port - 1000 CFM - Dominator - Aluminum - Natural - Universal - Kit

Sku: HLY550-501
Vendor: HOLLEY