Chevy Custom Crate Engines By Proformance Unlimited, you are not only buying one of the best engines on the market today "You are buying over 52 years of  shop experience." We will help you from start to finish and match you with the best  possible engine combination that suites your  knowledge level and over all experience, so  your vehicle will out perform  your expectations. All engines are turn-key drop in ready for easy installation, for years of enjoyable, reliable, dependable, low maintenance drop in power. We specialize in building muscle car, street rod, and classic car engines. We chew up and spit out the competition. Just watch some of our engine video's and read our customer testimonials. Then decide if experience and expertise with a personal touch really matters

"Our Chevy custom crate engines are street smart track tough"
Read Our Customer Reviews, Watch Our YouTube Engine Video's, And You Decide Who The Crate Engine Leader Is!

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↓Some Of Our Most Popular Chevy Custom Crate Engine Packages Click Below For More Details↓
350 Chevy  320HP
350 Chevy Crate 320HP
  350 Chevy  375HP
350 290 Custom Built Chevy Crate Engine
383 Chevy Stroker 400HP
Custom 383 Chevy Stroker
  383 Chevy Stroker 450HP
383 Chevy Stroker 450HP
427 Small Block Chevy Stroker 550HP
Custom 383 Chevy Stroker
  454 Big Block Chevy 550HP
Big Block 454 Custom Crate Engine

The Shop's Car, A Real Dragon Slayer

Here At Proformance Unlimited Our Expertise Is Building Performance Engines

We Make Horse Power Affordable To Everyone

If you are presently restoring a timeless classic car, building a cobra kit car or even a hot rod muscle car, look no further. Experience the adrenaline ride with a custom crate engine built by Proformance Unlimited. Here at Proformance Unlimited the quality of our crate engines are 2nd to none. Our goal is to custom build you a show car quality horsepower engine of your dreams. When we tell you we custom build your performance engine from start to finish, it’s a promise we stand behind. Our performance engines are custom designed and built to withstand the everyday abuse. All our machine work is performed in-house by long term experienced and highly skilled machinist. 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. All our turn-key crate engines are “street smart, track tough”. With a one year unlimited mileage warranty and equally important our customer service does not end at the sale of your engine. Our staff is committed to providing you with any technical support questions you may have. We look forward to speaking with you.

"An Engine Builder You Can Trust 24/7"


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Toll Free 24 Hrs. 1-800-267-3940

International +1-321-430-2465

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