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Arizona Speed & Marine is the leader in electronic fuel injection for automotive, marine. We offer components to complement your existing EFI system or we can provide complete systems.
Electronic fuel injection allow us to control several parameters including fuel delivery, spark timing, and engine operating temperature. These parameters are "read" by the computer through the use of several sensors that monitor engine operations and functions.
Because of the strong partnership with manufacturers we can offer quality products at affordable prices
AZ Speed's Current Deals
ASM LT-1 & Ramjet 502 Billet Throttle bodies are on sale!
58mm - $425
Monoblades - $450
Take advantage of these great deals while supplies last
Delphi MEFI 4B ECU's
If you're interested in obtaining re-calibration of your Marine or Ramjet ECU, please download our ECU Calibration form here and send it in with the ECU.
Click Here for our MEFI ECU Calibration Form
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News
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Prince 43 CC (with 2 Verado 600 V12 Engines)
The Prince 43 CC is truly a noble, ultra-sporty RIB, a great innovation from Nuova Jolly Marine. We saw her live at the Genoa Boat Show.
Nuova Jolly Marine played a major role at the Genoa Boat Show and this was to be expected. There were a lot of...
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What would cause my dash lights to stop working?
There are many potential causes for dash lights to stop working. However, the most common cause is a blown fuse. If your dash lights have stopped working, check the fuses first. Other potential causes include loose or damaged wiring, a faulty light s...
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What is electronic fuel injection?
Electronic fuel injection (EFI) is a system that injects fuel into an engine using electronic controls. It was introduced in the late 1970s as a way to improve engine efficiency and performance. EFI replaced carburetors, which had been used for decad...
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How can I replace my own fuel injectors?
In this article we're going to discuss how you can replace your own fuel injectors. Fuel injectors are a vital part of your car's engine, and if they aren't working properly it can have a major impact on your car's performance. Replac...
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What affects fuel injection system?
As the name suggests, the fuel injection system is responsible for injecting fuel into the engine. It is a vital component of any vehicle and its proper functioning is essential for the smooth running of the engine.
However, there are a number of...
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Why is Fuel Injection Better Than Carburetors?
We all know that carburetors have been the go-to choice for automakers for many decades now. However, in recent years, fuel injection has become increasingly popular, to the point where it is now considered by many to be the better option. So, what e...
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Which is Better Carb or Fuel Injection?
When it comes to choosing the right engine for your car, there are a lot of factors to consider. One important factor is the fuel system. There are two main types of fuel systems: carbureted and fuel injected. So, which is better? Carb or fuel inject...
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How to fix a fuel injector?
It's advisable to seek a professional opinion before attempting to fix a fuel injector yourself.
The most common problem with fuel injectors is that they become clogged with debris over time. This can happen for a number of reasons, including...
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What are Signs of Fuel Injector Problems?
Fuel injector problems can often be misdiagnosed as other engine performance issues. It is therefore important to be aware of the telltale signs of fuel injector problems so that they can be addressed promptly and appropriately.
What is fuel injec...
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Can Wheels Affect Fuel Consumption?
Can wheels affect fuel consumption? This is a question that many people ask, but there is no simple answer. The truth is that there are many factors that can affect fuel economy, and wheel size is just one of them.
To understand how wheel size can...
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AZ SPEED 6313 W. Commonwealth Pl. Chandler, AZ 85226
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If you don't see what you're looking for please call or e-mail us.
Phone: (480) 753-0208 Fax: (480) 753-0216
Hours: 8am - 5pm M-F Mountain Standard Time
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