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Few production cars see as much track-day action as the Porsche 911 GT3 . For drivers who demand even more precision, Porsche has partnered with Manthey to deliver a performance kit that pushes the limits far beyond the Weissach Package. The result is a GT3 engineered for uncompromising speed, control, and efficiency on the circuit.   Nürburgring-Proven Performance   With the Manthey Kit , the 911 GT3 conquered the Nürburgring Nordschleife in just 6:52.981 minutes—nearly three seconds...

There’s a new chapter in Porsche motorsport. Porsche Motorsport North America (PMNA) and Porsche Club of America (PCA) have joined forces to create a single-make racing series: the Porsche Sprint Trophy PCA by Yokohama . Debuting in 2026, this dedicated championship will be integrated into PCA’s Club Racing calendar, offering enthusiasts and racers alike a thrilling new arena. A New Rung in the Motorsport Pyramid The Sprint Trophy is designed as both a destination for PCA racers and a...

At Isringhausen Motorsports, we believe getting on track should be as seamless as it is thrilling. That’s why our concierge-style service handles every detail—from acquisition and preparation to shipping—so you can focus on what matters most: driving. With one of the most extensive in-stock, ready-to-race inventories in the country, we make it easier than ever to step into the driver’s seat of your next competition machine. Customer Spotlight: William J. "Spoke with Geoff about a new GT4RS...