International GT

International GT (Stuttgart Cup & Maranello Cup)

International GT is a North American racing series that presents three different championships for late model Porsche and Ferrari competitors. Home primarily to sportsman drivers, with the occasional professional driver/coach joining the action in endurance races, International GT annually presents the Stuttgart and Marranello Cup championships.

Stuttgart Cup: Series Fitments

Porsche Cayman

FRONT

  • 245/645-18 DH SLICK
  • 245/645-18 WH RAIN

REAR

  • 305/660-18 DH SLICK
  • 305/660-18 WH RAIN

Stuttgart Cup: Series Fitments

Porsche 993

FRONT

  • 245/645-18 DH SLICK
  • 245/645-18 WH RAIN

REAR

  • 305/645-18 DH SLICK
  • 305/645-18 WH RAIN

Stuttgart Cup: Series Fitments

Porsche 996

FRONT

  • 245/645-18 DH SLICK
  • 245/645-18 WH RAIN

REAR

  • 305/680-18 DH SLICK
  • 305/680-18 WH RAIN

Stuttgart Cup: Series Fitments

Porsche 997 Gen 1

FRONT

  • 245/645-18 DH SLICK
  • 245/645-18 WH RAIN

REAR

  • 305/680-18 DH SLICK
  • 305/680-18 WH RAIN

Stuttgart Cup: Series Fitments

Porsche 997 Gen 2

FRONT

  • 275/645-18 DH SLICK
  • 275/645-18 WH RAIN

REAR

  • 315/680-18 DH SLICK
  • 315/680-18 WH RAIN

Stuttgart Cup: Series Fitments

Porsche 991

FRONT

  • 285/645-18 DH SLICK
  • 285/645-18 WH RAIN

RAIN

  • 325/705-18 DH SLICK
  • 325/705-18 WH RAIN

Marranello Cup: Series Fitments

Ferrari 355/360 Challenge

FRONT

  • 235/645-18 DH SLICK
  • 245/645-18 WH RAIN

REAR

  • 295/680-18 DH SLICK
  • 305/680-18 WH RAIN

Marranello Cup: Series Fitments

Ferrari 430 Challenge

FRONT

  • 235/645-19 DH SLICK
  • 235/645-19 WH RAIN

REAR

  • 295/680-19 DH SLICK
  • 295/680-19 WH RAIN

Marranello Cup: Series Fitments

Ferrari 458 Challenge EVO

FRONT

  • 255/650-19 DH SLICK
  • 255/650-19 WH RAIN

REAR

  • 305/690-19 DH SLICK
  • 305/690-19 WH RAIN