Our Promise To You

Ready To Bring Your High Performance Vehicle To The Next Level?   

Whether you want to elevate your daily drive, or build the racing car of your dreams, Speedworx Automotive is your speed shop and choice for custom-made engines allowing for optimum horsepower designed for all your High Performance vehicle repair needs.
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Set An Appointment Today, And Visit Our Highly Trained Performance Team Of Optimization Specialists. Get Fair Pricing. Honest Quotes. And Quality Service, Guaranteed.

Auto Repair Covina

Our Services

Complete High Performance Automotive Care


Performance Engine Build

​​​​​​​Our custom-made engines have  credibility for supplying optimum horsepower and fantastic longevity. Our speed shop custom design each and everyone of our engines especially for the high demands of our clients.  When you are ready to experience the best auto repair, call speedworx.

Performance Transmission Modification


Most Transmissions are not designed for speed.  When You Want The Job Done Right, Speedworx Automotive Will Custom Build Your Transmission To Substancially Increase Your Performance On And Off The Track.

Custom Turbo/Super Charger Install


Speedworx speed shop will custom super charger installs will provides the power you desire! We can professionally install and optimize any turbo system. With our professional installation we can install any power adder to your performance vehicle and add HP and speed.

Aftermarket Performance Installs


When you want quicker acceleration, flatter cornering, shorter stopping distances, faster lap times.  You may find that the factory's idea of performance doesn't meet your expectations. That's where we come in. Our aftermarket performance installs will deliver more horsepower, corner harder, stop on a dime, and cut your lap times, but most important of all, never leave you disappointed. 

Suspension & Chassis Tuning


The chassis is considered to be one of the significant structures of an automobile.  Consequently, the chassis is also an important component of the overall safety system.  Speedworx will enhance your levels of noise, vibrations and harshness throughout your performance automobile.  Our experience with Race Track safety enhancements will keep your performance vehicle safe to drive. 

Custom Differential Optimization


Need a Custom Differential? Then you have arrived at the right place, Speedworx speed shop has the experience to custom build any differential for any added application your performance vehicle needs.  When you are looking for the performance and expertise, you found it with Speedworx.

Give Beni A Call Today To Learn More About Your Performance Options

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We Are The Premier Performance 
Auto Specialist

When You Are One Of The Select Few Who Know Your Vehicle Is Meant To Fly!

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Performance Auto Repair, Covina

Office Hours:

Monday           9:30AM-6:30PM

Tuesday           9:30AM-6:30PM

Wednesday     9:30AM-6:30PM

Thursday         9:30AM-6:30PM

Friday               9:30AM-6:30PM

Saturday                    Closed 

Sunday                       Closed

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