Under Pressure Performance offers a wide range of products and services for the hardcore racer and serious performance enthusiast.

With many years experience building and tuning Porsche race cars, we can provide you with the highest quality engine building, design, development, machining, and fabrication services.

Experience our expert assembly and tuning abilities and you will soon realize why we are recognized as revolutionaries in our field. Qualified to meet all of your engine building, racing, and specialty fabrication needs. We strive to tailor-fit performance goals to meet any budget.

We offer complete performance engine machining out of our own machine shop, which includes top of the line Sunnen boring and honing equipment and a full complement of precision engine machining equipment.

CONGRATULATIONS to Bret Stern for breaking the Lime Rock Park PCA GT3 Club Racing track record two years in a row!

Take the time to browse the site and learn how Under Pressure Performance can fulfill all of your Porsche racing, performance, and maintenance needs.