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GrimmSpeed GRM.1188.1.0 is a pair of 15 mm hub-centric 5x100 wheel spacers for supported Subaru WRX and STI applications. GrimmSpeed notes that this thickness is not compatible with OEM Subaru wheels that lack the necessary back-side pockets. Confirm wheel pocket depth, hub bore, stud engagement, offset, and clearance before ordering.
Key Features
- 15 mm spacer thickness
- 5x100 bolt pattern
- Hub-centric construction
- Integrated wheel studs
- Sold as a pair
- Requires compatible wheel back-side pockets
Fitment
Fits 2002-2014 Subaru WRX and 2004 Subaru STI applications using the supported 5x100 hub arrangement. Confirm wheel pockets because the 15 mm design is not compatible with unrelieved OEM Subaru wheels.
Specifications
| Brand | GrimmSpeed |
|---|---|
| Manufacturer Part Number | GRM.1188.1.0 |
| Thickness | 15 mm |
| Bolt Pattern | 5x100 |
| Quantity | Two spacers |
| OEM Wheel Note | Not compatible without required wheel pockets |
What's Included
Two GrimmSpeed 15 mm wheel spacers with installed studs and the manufacturer-supplied mounting hardware.
About GrimmSpeed
GrimmSpeed manufactures automotive performance and replacement components. Match the exact manufacturer part number and published application details before installation.
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Frequently Asked Questions
Are these compatible with every OEM Subaru wheel?
No. GrimmSpeed requires adequate wheel back-side pockets for the protruding factory studs.
Are four spacers included?
No. This listing contains one pair.
What bolt pattern is required?
The supported hub and wheel interface uses a 5x100 pattern.
Installation Instructions
Installation should be completed by a qualified technician using the current manufacturer instructions. Verify the vehicle or system application, inspect every supplied component, follow the specified fastener and torque procedures, check clearances and routing, and confirm safe operation before driving.
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