Originally designed for professional racing teams competing in the IMSA Continental Tire SportsCar Challenge Grand Sport (GS) class, the Forgeline GS1R combines the latest in advanced wheel technology, including one piece forged monoblock construction, motorsport engineered design, and I-beamed spokes. This wheel is engineered to withstand the rigors of top-level endurance racing with a 2100 lb street tire load rating and exceptional deflection stiffness.

19in, 20in & 20in / 21in Fitment Available for GT2 RS & Turbo/S

• Fits GT2 RS & Turbo/S Steel Brakes & PCCB

• Add Knurled Lips for track wheels to prevent tires from rotating under heavy braking.

19 Inch Fitment:

Turbo/S: 19x9.0 Front & 19x12 Rear

• Recommended Tire Size: 245 to 265 Front and 305 to 325 Rear

GT2 RS: 19x10 Front & 19x13 Rear (will require installation to rear lower control arm bolt & nut)

• Recommended Tire Size: 265 to 285 Front and 325 to 345 Rear

20 Inch Fitment:

Turbo/S: 20x9 Front & 20x12 Rear

• Recommended Tire Size: 245 to 265 Front and 305 to 325 Rear

GT2 RS: 20x10 Front & 21x12.5 Rear

• Recommended Tire Size: 265 to 285 Front and 325 to 345 Rear