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Holley 550-604 HP EFI Engine Control Units

Manufacturer

Holley

Picture for manufacturer Holley 20-300BK

Part Number

550-604
13 reviews
04/18/2034 2:46 AM
Sale Price

$2,521.95

In Stock (10+)

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Usually delivered within 2 days

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Product Details

Holley 550-604 HP EFI Engine Control Units

Holley 550-604

Hp Efi Ecu And Harness Kit

Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as an alternative to the factory ECU and harness or as a replacement for your C950 ECU. The HP allows you to accurately control the fuel and ignition of your engine along with additional controls for nitrous, boost or water meth.

Products specifications

Notes

Universal V8 MPFI fit.

Quantity

Sold individually.

Pop code

B

Prop 65

No

Origin

US

Connector Series

Jetronic / Minitimer (Bosch)

Ignition Type

GM HEI Small Cap

Ignition Type

Holley Dual Sync Distributor

Ignition Type

Ford TFI

Ignition Type

Coil - (No Timing Control)

great product in stock

Best price I found online! Thx!

This was the best price I could find. Free shipping. Two day delivery.

Excellent product and quick service

I sent an e-mail when I had a problem with including the shipping cost with the purchase cost while using Pay-Pal. I was ignored.....!

Looks absolutely great on truck- thanx

Excellent product and price.

VERY QUICK

Easy web searching and good quality parts for reasonable price..customer friendly too!!!!!!

Great selection and fast shipping. Not to meantion the lowest prices anywhere on the net.

Excellent Service! Product shipped out the day after being processed and was sent via overnight delivery. Autoplicity also offered the lowest cost available for the product online.

This is the first order that I have placed with Autoplicity. I found that they had the best price for the product that I ordered and also had some very good reviews from other satisfied customers.<br>

Very good prices and incredibly fast shipping. Shipping costs were a bit high but I would definitely use them again!

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