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Your Crate Engine Experts!

Pontiac Performance Crate Engines

At Proformance Unlimited, we take great pride in our expertise of building top-notch Pontiac Performance Crate Engines.

Our team of experienced professionals have decades of combined experience in the automotive industry, giving us the necessary skills and expertise to deliver exceptional Pontiac Performance Crate Engines.

Regardless of whether you own a Pontiac – GTO, Firebird, Grand Prix, Tempest, or a classic muscle car from the early 60’s, we are always here to assist you in designing and building the perfect engine combination that fits your needs.

We understand that every car enthusiast has unique preferences and requirements, which is why we offer full customization options for all of our engine builds.

Please take a moment to browse through our engine combinations listed below.
Whether you’re looking for a high-performance street engine or a full race engine, we have a wide selection of engine options to choose from.
Our precision custom designs are what sets Proformance Unlimited apart from the rest of the competition.

Our state-of-the-art facility utilizes the latest technology and equipment to ensure that every engine we build meets our strict quality standards.

From exceptional stroker engines to turn-key, ready-to-drop crate engines, we are dedicated to constructing custom engines that are both reliable and affordable.

In addition to our exceptional engine builds, we also offer excellent customer service and support to ensure that you’re completely satisfied with your purchase.
Rest assured that we offer only the best engines on the World Wide Web.
We’re confident that once you experience the power and performance of a Proformance Unlimited engine, you’ll never settle for anything less.

Contact us today and speak with one of our experts, Doug or Steve, and we will be thrilled to address any inquiries you might have..

Thank you for considering Proformance Unlimited for all of your crate engine needs.

Pontiac Performance Engine History

The Pontiac V-8 was the power plant for a whole generation of muscle cars, including the legendary GTO and Firebird Trans Am from the late 60’s to early70’s. The renewed popularity of muscle cars has restored the interest of hobbyist rebuilding and modifying these engines. Although these blocks are few in numbers, they can be found and can also be totally custom rebuilt to any specific horsepower. The 350, 400, and 455 are interchangeable but today most Pontiac enthusiasts want the 455 with aluminum cylinder heads. With this combination we can make over 550hp with incredible torque for the dream machine muscle car.

455 Pontiac GTO Performance Engine
LS Pontiac Performance Engines
Pontiac Trans Am Engines