Xtreme Cylinder Heads: The Pursuit of Porsche Perfection

August 7, 2025

For this Episode of Rottler Featured Series we’re in Palm City, Florida to see Bill Dicondina, Owner of Xtreme Cylinder Heads.

Xtreme Cylinder Heads specializes in Porsche cylinder heads: Race heads, Turbo head, exact replicas of OEM heads — all built to the most exacting standards.

Dicondina tells us that his Rottler equipment is critical to his business and is used in everything from raw castings to port work. He’s even had his 69ATC series machines upgraded to double the size of the tool changers and add a 4th axis.

“Instead of 25 hours to port a set of heads, it only takes 4 with the Rottler equipment,” head said. “That frees us to do other work.”

Not surprisingly, while Xtreme made a name for itself on manufacturing and rebuilding Porsche 911 heads, word of the superior quality of their work has spread. Now they’re now also expanding into Toyota Supra, and vintage restoration work for Lamborghini, and Ferrari work as well.

No matter what the job, Dicondina tells us they remain focused perfecting the smallest of details to deliver the best results and experience for their customers.

“Since I opened this shop in 1999, we always strive for absolute perfection,” Dicondina said. “I can’t say enough about Rottler and how they’ve changed our business.”

We here at Rottler are proud to call Xtreme a customer! Check out the video!


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