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BigO Tire
BigO Tire
Confirm Tire Size
Shopping for tires? Select tire size to proceed.
2017 Porsche 911 GT3 RS
Your vehicle manufacturer’s recommended tire specs include different front and rear tire sizes (i.e. staggered fitment). Learn about Staggered Fitment
Original Equipment Wheel Diameter:
Front 20" / Rear 21"
Front Tires
265/35ZR20
Rear Tires
325/30ZR21
Where can I find my tire size?Where can I find my tire size?