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Holley 550-603 Hp Efi Ecu And Harness Kit

Manufacturer

Holley

Picture for manufacturer Holley 300-129 Ls Dual Plane Mid-Rise Intake

Part Number

550-603
16 reviews
04/24/2034 6:40 AM
Sale Price

$2,608.95

In Stock (10+)

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Usually delivered within 2 days

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Product Details

Holley 550-603 Hp Efi Ecu And Harness Kit

Holley 550-603

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

Designed for use with GM LS2 engines, re-use factory GM ignition coil harnesses.

Quantity

Sold individually.

Pop code

B

Prop 65

No

Origin

US

Ignition Type

GM LS 58x

Crank Reluctor

58x

Connector Series

USCAR (EV6)

Best price I could find anywhere

Fast turn around

Thank you. Product as described. Shipped quickly. Excellent prices. Great customer service.

So far so good!

Easy online process!

Great customer service and prompt shipping

Glad I found what I needed!

Great price, easy checkout. Hope the rest of the experience goes well.

The order was very easy to place

they had the parts i needed and ordering was fast and easy. great job guys,and thanks.

fast shipping and great communication my order was shipped the same day thanks autoplicity

was searching for a hard to find part and they had it on the shelf. fast shipping, will definitly buy from again. cost was even cheaper with shipping!

It was fine

They have hard-to-find items that ship immediately, excellent turn-around time on the orders. I look here first.

I ordered thermo tec express sleeve heat suppression for my honda s2000 through autoplicity.<br><br>I ordered it on 07/06/2012 and recieved a day later,very fast processing. Order came well packaged and competitive pricing.

Price was unbeatable and the shipping was fast. Top notch reseller.

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