Track Fitment
Track Fitment
Front Setup19x10 ET42265/35-19
Rear Setup19x12 ET46325/30-19
Track Fitment reference setup. Verify tire model, camber, brake clearance, and ride height before ordering.
Porsche 991 GT3 Center-Lock wheel specs and setup guide
Porsche 991 GT3 Center-Lock Fitment Guide
Use this Porsche 991 GT3 Center-Lock fitment guide to compare documented wheel and tire setups with verified chassis metadata and hardware notes.
991 GT3 Center-Lock fitment991 GT3 Center-Lock fitment guidePorsche 991 GT3 Center-Lock wheel fitment991 GT3 Center-Lock wheel specs
Quick answer
What is the best 991 GT3 Center-Lock fitment?
A documented 991 GT3 Center-Lock setup is 19x10 ET42 front with 265/35-19 tires and 19x12 ET46 rear with 325/30-19 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
991 GT3 Center-Lock Wheel Specs
Start with the factory specs before comparing aftermarket 991 GT3 Center-Lock wheel fitment.
Years2014-2019
Bolt PatternCenter-lock
Center BoreCenter-lock hub
HardwareN/A
Chassis context
991 GT3 Center-Lock Wheel Fitment Notes
This Porsche 991 GT3 Center-Lock 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
Best 991 GT3 Center-Lock Wheel Fitment Setups
These 991 GT3 Center-Lock fitment setups combine the vehicle-specific fitment data with the proven fitment recommendations.
OEM+ Fitment
OEM+ Fitment
Front Setup20x9 ET47245/35-20
Rear Setup20x12 ET47305/30-20
OEM+ Fitment reference setup. Verify tire model, camber, brake clearance, and ride height before ordering.
Performance/Street Fitment
Performance/Street Fitment
Front Setup19x9.5 ET50265/35-19
Rear Setup19x12 ET46325/30-19
Performance/Street Fitment reference setup. Verify tire model, camber, brake clearance, and ride height before ordering.
Fitment type options
Popular 991 GT3 Center-Lock 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 Fitment19x10 ET42265/35-1919x12 ET46325/30-19
OEM+ Fitment20x9 ET47245/35-2020x12 ET47305/30-20
Performance/Street Fitment19x9.5 ET50265/35-1919x12 ET46325/30-19
Aftermarket range
991 GT3 Center-Lock Fitment Range
Common widths9-12 inches across documented setups
Offset rangeET42-ET50 across documented setups
Popular tires245/35-20, 265/35-19, 305/30-20, 325/30-19
Fitment notes
What to Know Before Buying 991 GT3 Center-Lock Wheels
Compare the Full Setup
The 991 GT3 Center-Lock 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
991 GT3 Center-Lock OEM Wheel Sizes
SizeOffsetNotes
9Jx20 front / 12Jx20 rearET55 front / ET47 rear991 GT3 center-lock; 245/35ZR20 front, 305/30ZR20 rear.
Buyer notes
991 GT3 Center-Lock Fitment Tips
- This 991 GT3 Center-Lock uses Porsche center-lock hubs rather than a conventional lug-bolt pattern. Confirm wheel compatibility, center-lock hardware, and torque/service requirements before ordering.
- 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
991 GT3 Center-Lock Fitment Guide Questions
What is the best 991 GT3 Center-Lock fitment?
A documented 991 GT3 Center-Lock setup is 19x10 ET42 front with 265/35-19 tires and 19x12 ET46 rear with 325/30-19 tires. Use the full table to compare other documented setups and verify body width, brake clearance, ride height, and hub hardware before ordering.
What wheel mounting system does a Porsche 991 GT3 Center-Lock use?
The Porsche 991 GT3 Center-Lock uses Porsche center-lock hubs rather than a conventional lug-bolt pattern. Use wheels and hardware designed specifically for the center-lock system.
Do I need to verify brake clearance on a 991 GT3 Center-Lock?
Yes. Diameter, width, and offset are not enough by themselves because spoke shape and brake package determine caliper clearance.
Find wheels for your 991 GT3 Center-Lock
Browse the marketplace or compare your current setup against a new 991 GT3 Center-Lock fitment.