Custom Built Performance Crate Engines

Custom Crate Engines by Proformance Unlimited is one of the leaders in the muscle car industry. We build all kinds of hot rods engines that will suit the needs of nearly every car enthusiast. Our dedication to detail in our engine build separates us from the rest. Check out our reviews and take a look at some of our YouTube videos. You will spend hours watching them. All of our crate engines are hand assembled one at a time using only the finest parts available. Every one of our complete turn-key crate engines we build are dyno tested to ensure durability and power output. With these standards we can assure you that you will receive a 100% perfect engine that will stand up to the test of time. People choose to have a crate engine built by us over building their own since we can customize the engine to your desired spec’s and it’s assembled by our highly experienced staff. So the day’s of back and forth trips to the machine shops, trial and errors and expensive mistakes are a thing of the past.


Chevy Crate Engines


Ford Crate Engines


Chrysler Crate Engines


Oldsmobile Crate Engines


Cobra Crate Engines


Pontiac Crate Engines

I would like to take this opportunity to thank you for your interest in Custom Crate Engines and introduce you to our company. As you can see from our photos and videos each engine is built to precision with much pride and care. There is a lot more in technical design than just picking out parts. With so many companies out on the web today to chose from, it’s hard to make a decision. Some may talk a good game and present themselves well, but can they really deliver your dream engine. This statement reminds me of a quote i heard once “Those who can, do. Those who can't, teach”. We dyno test literary 100’s of engine combinations each year and with our skills and knowledge you will know you made the right choice. We personally custom design the proper power plant to match you to your vehicle and its needs. We will be up front and honestly tell you, If your engine selection is right for you and the final application. Doing this ensures that you end up with your dream engine that will stand the test of time. We are most proud of our satisfied customer base. When you purchase an engine from Custom Crate Engines you become part of a growing family and you can be assured you made the right choice. You have my personal guarantee that I will build you a product we both can be proud of.

Thank you,

Doug Mascaritola - President

Reliable Performance Crate Engines

Whether you are presently restoring a timeless classic car, building a cobra kit car or a hot rod muscle car, look no further. All engine packages are assembled with top quality parts. All of our turn-key engines are ran and tested in our own Dyno Room before shipping. We welcome you to come and tour our facility and talk personally with your engine builder so you can be 100% self-assured your dream engine becomes a reality. With the knowledge of our trained staff, we can assist you in choosing the engine package that will work best for your application. Our staff is also available to answer any technical questions you may have before and after your engine arrives. We are most proud of our satisfied customer base. When you purchase an engine from Proformance Unlimited you become part of a growing family and you can be assured you made the right choice. You have our personal guarantee that we will build you a product we all can be proud of.

Big Block Engine

Chevy Big Block Engine

Crate Engine

Ford Crate Engine

Crate Engine

Pontiac Crate Engine

Performance Engine

Chrysler Performance Engine

Street Performance Engine

Oldsmobile Street Performance Engine

Kit Car Engine

Cobra Kit Car Engine

  • Mike Sheffield

    The 383 stroker that you built for my 77 vette is just awesome! The car sits in a storage unit months at a time. However, it always fires right up without any hesitation and runs fantastic! I can't tell you enough good things...

    - Mike Sheffield

  • Years ago, you built a crate engine for my GTO. I took your engine and my car to a place called Farland Classic Car Restoration in Denver Colorado. Now, 3 years late, they have finished my GTO with your beautiful engine...


  • Wayne Edgerton

    Hello Steve, I just wanted to drop you a line to say thanks for the great engine you put together for me (347 stroker). I really appreciate all the time you spent answering my questions before and after the sale. You...

    - Wayne Edgerton

  • Larry

    These are pictures taken of Larry Six's 1967 Camaro SS/RS 383-475 HP. You guys did a great job--runs great, sounds great. By they way, this is my first new car I bought in April of 1967. Still a GREAT ride! Thanks so...

    - Larry

  • Tom Lucid

    On the '57 Chevy, it was 98 degrees outside when I drove the Chevy 120 miles to the Super Chevy show. The temperature NEVER climbed above 160. Idled for an hour in car show traffic in another show and never cleared 165-170. I...

    - Tom Lucid

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  • Interest Free Layaway Plan

    Interest Free Layaway Plan Payment Options: Our interest Free Layaway Plan allows you to lock in a sale price and take up to two (2) years to pay your engine off Interest free.
$1,500 down locks in your price for 1 one year, then make interest free payments over the next year at your convenience. If you need to go into the second year with payments and the price of the product goes up...

  • Proformance Unlimited Crew

    Proformance Unlimited Crew

    Not many people can say they love going to work. We are family here. We laugh a lot, yell a lot, and laugh a lot more. Our team works together. As a group we get through it. We are each individually important to each other. Steve, back left, is VP of...

  • Don Kingore’s TKO-Equipped 1960 Corvette

    Don Kingore’s TKO-Equipped 1960 Corvette

    Don Kingore had a lifelong dream of owning and cruising an early Corvette. In winter 2019, he began tearing apart and rebuilding this 1960 Corvette in his home garage. He chose a design theme that reminded him of 1960s when early used Corvettes were...

  • Chevy Corvette History

    Chevy Corvette History

    C1 Early Years: 1953 Corvette was introduced with 235cid six-cylinder engine (150hp) and two speed automatic transmission. All 300 first edition Vettes were Polo White roadsters with red interior. Vette plant located in St. Louis, Missouri. 1954 Exterior...

  • Chevy Camaro History

    Chevy Camaro History

    The First Camaro was produced in 1967 Sadly the last model year of the Camaro was 2002, the rumor was that consumers would not buy the Camaro because of the difficulty to see over the front of the hood. Models of the Camaro: LT stands for Luxury...

  • Ford Mustang History

    Ford Mustang History

    Mustang History Highlights: 1962 project code named T-5 Robert S. McNamara credited with concept Lee Iacocca was Ford marketing director Names considered: Cheetah, Puna, Thunderbird II, Cougar, Colt Special Falcon, Torino, and Mustang 100,000...

  • Ford Cobra Engines

    Ford Cobra Engines

    I would like to take this opportunity to introduce you to Custom Crate Engines. We are a full service automotive machine shop ensuring quality craftsmanship specializing in building performance crate engines. Each engine is custom built to individuals...

  • An Engine Builder You Can Trust 24/7

    An Engine Builder You Can Trust 24/7

  • Ford Truck Engines

    Ford Truck Engines

    If You Would Like Your Truck To Have The Torque And Horse Power Like The Big Boy's, You've Found The Right Company. Our Ford truck crate engines offers some of our finest turn-key drop in ready crate engines. Packages from the legendary small blocks...

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