{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
Select your vehicle
Universal Fit Add Vehicle

Holley®
550-604 HP Series Engine Control Module - Universal, Kit

Tap image and pinch to zoom.
$2,499.95
$2,812.95Save: $313.00(11%)
Manufacturer #550-604
Universal Fit Add Vehicle
Qty:
1

Highlights

Brand:
Notes:
Universal V8 MPFI fit; Requires ignition adapter harness based on ignition type, sold separately; Includes Bosch oxygen sensor
Condition:
New
Quantity Sold:
Kit
Product Fit:
Universal
Warranty:
90-day Holley limited warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series:
HP Series

Product Information

Holley HP Engine Control Module are intended for all engine applications, from street to unlimited high-end racing applications. Holley has been a trusted name in the production of fuel systems since 1903. Recognized as one of Ford's four original suppliers, it continues to expand its line of carburetors to maintain its dominance on and off the race track.

Features:
  • Integrates electronic transmission controls and multiple staged injector strategies
  • Capable of direct driving smart ignition coils
Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Product Q&A

0
What features on my carDoes this module control?Berrion M.Dec 13, 2020
Best Answer:Hi Berrion, This controls the engine operation only.
Aldrin P.STAFFDec 13, 2020
0
1995 ford f350 7.3 E4OD trans Does it work with this truck ?Desert DanOct 24, 2020
Best Answer:Hi Dan, This is a non vehicle specific item. It fits most factory EFI engines from GM and Ford. Should you need further assistance , feel free to call us at 1-866-529-0412.
Aldrin P.STAFFOct 25, 2020