Porsche 997 GT2 wheel specs and setup guide

Porsche 997 GT2 Fitment Guide

Use this Porsche 997 GT2 fitment guide to compare documented wheel and tire setups with verified chassis metadata and hardware notes.

2008-2009 | 5x130 | 71.6mm

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Quick answer

What is the best 997 GT2 fitment?

A documented 997 GT2 setup is 18x9 ET46 front with 245/35-18 tires and 18x12 ET46 rear with 315/30-18 tires. Use the full table to compare other documented setups and verify body width, brake clearance, ride height, and hub hardware before ordering.

Wheel specs

997 GT2 Wheel Specs

Start with the factory specs before comparing aftermarket 997 GT2 wheel fitment.

Years2008-2009
Bolt Pattern5x130
Center Bore71.6mm
HardwareM14x1.5

Chassis context

997 GT2 Wheel Fitment Notes

This Porsche 997 GT2 guide compares documented wheel and tire setups with the factory hub specs that matter when shopping for wheels.

Use the setup table as a starting point, then confirm tire model, suspension height, alignment, brake package, and body clearance on the specific car before ordering.

Popular setups

These 997 GT2 fitment setups combine the vehicle-specific fitment data with the proven fitment recommendations.

Track Fitment

Track Fitment

Front Setup18x9 ET46245/35-18
Rear Setup18x12 ET46315/30-18

Track Fitment reference setup. Verify tire model, camber, brake clearance, and ride height before ordering.

Performance/Street Fitment

Performance/Street Fitment

Front Setup18x9 ET46245/40-18
Rear Setup18x12 ET46305/35-18

Performance/Street Fitment reference setup. Verify tire model, camber, brake clearance, and ride height before ordering.

Fitment type options

Popular 997 GT2 Fitments People Have Run

These setups are organized by fitment type. Front and rear specs are shown together because the setup works as a full pair, even when the fitment is square.

Fitment TypeFrontRear
Track Fitment18x9 ET46245/35-1818x12 ET46315/30-18
Performance/Street Fitment18x9 ET46245/40-1818x12 ET46305/35-18

Aftermarket range

997 GT2 Fitment Range

Common widths9-12 inches across documented setups
Offset rangeET36-ET50 across documented setups
Popular tires235/35-19, 245/35-18, 245/35-19, 245/40-18, 275/35-18, 305/30-19, 305/35-18, 315/30-18

Fitment notes

What to Know Before Buying 997 GT2 Wheels

Compare the Full Setup

The 997 GT2 fitment table keeps front and rear specs together so wheel width, offset, and tire size can be reviewed as a complete setup.

Check Clearance Before Ordering

Wheel width, offset, tire model, alignment, brake package, and ride height can all change clearance. Confirm inner suspension clearance, outer fender clearance, hub fit, and brake caliper clearance before ordering.

Factory sizes

997 GT2 OEM Wheel Sizes

SizeOffsetNotes
8.5Jx19 front / 12Jx19 rearET53 front / ET68 rear2008-2009 GT2 representative; 235/35ZR19 front, 325/30ZR19 rear.

Buyer notes

997 GT2 Fitment Tips

  • Start with the 997 GT2 factory hub specs: 5x130 bolt pattern, 71.6mm center bore, and M14x1.5 hardware.
  • Compare front and rear specs together, especially on staggered setups where tire diameter and offset balance matter.
  • Check brake clearance with the exact wheel design, not just diameter and offset.
  • Use the wheel fitment calculator to compare poke, inset, and tire changes against your current setup.

FAQ

997 GT2 Fitment Guide Questions

What is the best 997 GT2 fitment?

A documented 997 GT2 setup is 18x9 ET46 front with 245/35-18 tires and 18x12 ET46 rear with 315/30-18 tires. Use the full table to compare other documented setups and verify body width, brake clearance, ride height, and hub hardware before ordering.

What bolt pattern is a Porsche 997 GT2?

The Porsche 997 GT2 uses a 5x130 bolt pattern with a 71.6mm center bore and M14x1.5 wheel hardware.

Do I need to verify brake clearance on a 997 GT2?

Yes. Diameter, width, and offset are not enough by themselves because spoke shape and brake package determine caliper clearance.

Find wheels for your 997 GT2

Browse the marketplace or compare your current setup against a new 997 GT2 fitment.