ACE Hi-Performance
Engine & Machine
Officially opened on October 1st 1981, our team of expert engine builders at Ace Hi-Performance Engines specializes in crafting custom racing engines that deliver exceptional power, torque, and efficiency.
Our mission
to build high quality engines for the performance racing community. All our engines are custom built for the customer.
Our motto has always been "Where there is Pride in Precision"
Our Specialties
Contact us to learn more!
We have a complete machine shop capable of doing any repair you'll need on your . . .

If what your looking for is not on this list—just call and ask.
The capability of our machine shop in the automotive engines is quite vast.
You may have to drive over 1000 miles to match our capability.
We have been servicing the Rocky Mtn. Region since 1981, from Texas, New Mexico, Arizona to Montana.
Experience unparalleled speed and performance with our expertly crafted drag racing engines. Designed for both seasoned professionals and newcomers alike, our engines are engineered to propel you to victory. With high-performance blocks, heads, and custom-built turbochargers, we provide the precision and power needed to dominate the track. Trust us to deliver the ultimate in racing excellence, ensuring you leave the competition in the dust.
Want to dominate the competition on the asphalt? Our custom-performance racing engines are built to deliver the power and reliability you need to win. We offer a wide range of engine configurations and performance upgrades, tailored to meet your specific racing requirements. With a focus on quality craftsmanship and cutting-edge technology, we ensure each engine is built to deliver peak performance and unmatched durability. Come see our expert team of technicians at Ace Hi-Performance Engines today to discuss your vision and specifications.
At Ace Hi-Performance Engines, our expertise in customizing racing engines is unmatched. We understand that every racer has unique needs, and our skilled team is dedicated to crafting engines tailored to your specific requirements. From precision-tuned high-performance blocks and heads to bespoke turbochargers and fuel systems, we ensure each component is meticulously engineered for optimal performance.
At Ace Hi-Performance Engines, our drag racing engines set the standard for excellence. We understand that drag racing demands specialized power and precision, which is why our team dedicates itself to building engines that perfectly match your racing style. From custom high-performance blocks and heads to tailored turbochargers and fuel systems, every element is crafted to enhance your speed and reliability. Experience the difference between engines engineered specifically for the demands of drag racing, ensuring you always cross the finish line first. Give us a call today!
At Ace Hi-Performance Engines, we pride ourselves on being master craftsmen of high-performance engines. Our dedication to precision begins with selecting the finest components and extends to the meticulous assembly of each engine. Every stage of our process is focused on optimizing power and reliability. By collaborating closely with our clients, we ensure that every engine we build is perfectly tailored to meet their specific racing needs.
Your feedback helps drive the team at Ace Hi-Performance Engines to excellence. Whether you’re a past or present customer, we’d love to hear about your experience with any services you received at Ace Hi-Performance Engines. Leave a review, and let us know how we powered your success! We are always looking for ways to develop and improve as a company, so feel free to share your thoughts. We appreciate our valued customers in Mills, WY!
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Looking to unleash the full potential of your engine? Look no further than our team of expert high-performance engine builders. We specialize in crafting high-performance engines that deliver exceptional power, torque, and efficiency. Our high-performance engine builders have years of experience in building engines for a wide range of applications, from racing to street performance. Whether you're looking for a complete rebuild or just a few upgrades, our high-performance engine builders can help you achieve your performance goals. We understand that your engine is the heart of your vehicle, and our high-performance engine builders are dedicated to delivering the highest level of craftsmanship and performance. Contact our high-performance engine builders today for a free consultation.
The turnaround time for building a custom engine varies depending on the specific requirements and complexity of the project. On average, it can take anywhere from four to eight weeks. We will provide an estimated timeline once we have a clear understanding of your needs.
Yes, we offer warranties on our performance engines. The terms and duration of the warranty depend on the specific engine and the level of performance modifications. We stand by the quality of our work and ensure that our customers receive reliable and powerful engines.
Yes, we provide professional installation services for the engines we build. Our experienced technicians ensure that your new or rebuilt engine is installed correctly and optimized for peak performance. We also offer tuning and testing to ensure everything runs smoothly.
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