SKU: S90-4-25-019 | UPC: 803050444141
Eibach Pro-Spacer System - 25mm Spacer / 5x114.3 Bolt Pattern / Hub Center 66.1 for 03-08 350Z 3.5L & Infiniti G35/G37/Q50
Eibach Pro-Spacer S90-4-25-019 delivers 25mm hubcentric wheel spacers per side for Nissan 350Z (2003-2008), Infiniti G35/G37/Q50/Q60, Maxima, Murano, and more with 5x114.3 bolt pattern and 66.1mm hub bore. This kit widens track width by 50mm total for enhanced cornering stability, aggressive stance, and optimized tire/wheel fitment. Engineered for direct bolt-on installation with included extended wheel bolts.
Key Features
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Hubcentric Design: 66.1mm bore centers wheels perfectly on hub, eliminating vibrations and ensuring safe operation at high speeds.
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High-Strength Aluminum: Forged 6061-T6 alloy construction resists corrosion and withstands track abuse for long-term durability.
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Precision Machined: CNC-machined tolerances match OEM specs, with M12x1.25 threads for secure fit on 5x114.3 wheels.
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Track Width Increase: 25mm per side (50mm total) improves handling grip and visual stance without rubbing issues.
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TÜV Certified Kit: Includes pair of spacers and 10 extended wheel bolts (M12x1.25x40mm) for complete, hassle-free upgrade.
Product Notes
- Verify wheel clearance and suspension setup before install; may require minor fender rolling on lowered vehicles.
- Clean hub and spacer mating surfaces thoroughly for maximum contact and safety.
- Ships as complete axle kit; professional alignment recommended post-installation.
Installation Notes
- Professional installation recommended.
- Torque extended bolts to 89-103 ft-lbs (120-140 Nm) in star pattern after 50-100 miles.
- Compatible with OEM lug nuts; uses stock studs—no drilling or hub modification needed.
This Part Fits
| Year |
Make |
Model |
Submodel |
| 2012 |
Infiniti |
G25 |
Base |
| 2012 |
Infiniti |
G25 |
Journey |
| 2004-2006,2008 |
Infiniti |
G35 |
Base |
| 2008 |
Infiniti |
G35 |
Journey |
| 2008 |
Infiniti |
G35 |
Sport |
| 2008 |
Infiniti |
G35 |
X |
| 2009-2012 |
Infiniti |
G37 |
Base |
| 2011-2013 |
Infiniti |
G37 |
IPL |
| 2009-2013 |
Infiniti |
G37 |
Journey |
| 2009-2013 |
Infiniti |
G37 |
Sport |
| 2010-2013 |
Infiniti |
G37 |
X |
| 2007-2010 |
Infiniti |
M35 |
Base |
| 2007 |
Infiniti |
M35 |
Sport |
| 2012-2013 |
Infiniti |
M37 |
Base |
| 2006-2007,2009-2010 |
Infiniti |
M45 |
Base |
| 2006-2007 |
Infiniti |
M45 |
Sport |
| 2015-2017 |
Infiniti |
Q50 |
Base |
| 2020 |
Infiniti |
Q50 |
Edition 30 |
| 2018 |
Infiniti |
Q50 |
Hybrid Luxe |
| 2015 |
Infiniti |
Q50 |
Hybrid Premium |
| 2015 |
Infiniti |
Q50 |
Hybrid Sport |
| 2018-2022 |
Infiniti |
Q50 |
Luxe |
| 2015 |
Infiniti |
Q50 |
Premium |
| 2018-2021 |
Infiniti |
Q50 |
Pure |
| 2018-2020 |
Infiniti |
Q50 |
Red Sport |
| 2021-2022 |
Infiniti |
Q50 |
Red Sport 400 |
| 2021-2022 |
Infiniti |
Q50 |
Sensory |
| 2021 |
Infiniti |
Q50 |
Signature Edition |
| 2015,2018-2020 |
Infiniti |
Q50 |
Sport |
| 2017 |
Infiniti |
Q60 |
Base |
| 2018-2022 |
Infiniti |
Q60 |
Luxe |
| 2018-2022 |
Infiniti |
Q60 |
Pure |
| 2017-2020 |
Infiniti |
Q60 |
Red Sport |
| 2021-2022 |
Infiniti |
Q60 |
Red Sport 400 |
| 2018 |
Infiniti |
Q60 |
Sport |
| 2005 |
Nissan |
350Z |
35th Anniversary Edition |
| 2003-2008 |
Nissan |
350Z |
Base |
| 2003-2008 |
Nissan |
350Z |
Enthusiast |
| 2005-2008 |
Nissan |
350Z |
Grand Touring |
| 2007-2008 |
Nissan |
350Z |
Nismo |
| 2003-2005 |
Nissan |
350Z |
Performance |
| 2003-2008 |
Nissan |
350Z |
Touring |
| 2003-2006 |
Nissan |
350Z |
Track |
| 1995-2003 |
Nissan |
Maxima |
GLE |
| 1989-2003 |
Nissan |
Maxima |
GXE |
| 1989-2006 |
Nissan |
Maxima |
SE |
| 2001 |
Nissan |
Maxima |
SE 20th Anniversary Edition |
| 2004-2006 |
Nissan |
Maxima |
SL |
| 2006-2007 |
Nissan |
Murano |
S |
| 2006-2007 |
Nissan |
Murano |
SE |
| 2006-2007 |
Nissan |
Murano |
SL |
Why Choose Eibach?
- Motorsport-proven brand used in Formula Drift and GT racing.
- Every spacer rigorously tested for load capacity exceeding OEM standards.
- German engineering ensures concentricity within 0.002 inches for vibration-free performance.
Frequently Asked Questions
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Q: Will this fit my 2006 Nissan 350Z with aftermarket wheels?
A: Yes, direct fit for 5x114.3 wheels with 66.1mm or larger hub bore; centerbore rings may be needed for larger bores.
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Q: What material are the spacers made from?
A: High-grade 6061-T6 aircraft aluminum, anodized black for corrosion resistance and strength up to 2000kg load rating.
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Q: What is the warranty and installation time?
A: Limited lifetime warranty against defects; installs in 30-60 minutes per axle with basic tools and jack.
Shipping & Handling
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Method: Standard ground shipping
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Availability: In stock - ships same or next business day
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Packaging: Compact box 9 x 7 x 3 inches
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Weight: 4.85 lbs
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