H&R G8X M3/M4 12mm Wheel Spacer & Bolt Kit — Fits 2021+ BMW M3/M4

SKU: HRSSK-009
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About H&R H&R Special Springs is the German engineering choice ...Read More

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Sale price$328.99
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About H&R

H&R Special Springs is the German engineering choice for OE-quality lowering springs, sport coilovers, and sway bars. Every H&R spring is progressive-rate, TÜV-certified, and engineered to retain factory ride quality at a lower stance.

Watch in action

Precision Stance for Your G8X

Achieve the perfect aggressive stance for your 2021+ BMW M3 or M4 (G8X) with the H&R 12mm Wheel Spacer and Bolt Kit. Engineered for enthusiasts who demand both aesthetics and performance, these spacers push your wheels outward to fill the wheel arches, providing a wider track and a more planted look. Crafted from a high-strength, lightweight aluminum-magnesium alloy, these spacers are designed to withstand the rigors of spirited driving while maintaining precise wheel balance.

Key Features and Benefits

  • Perfect Fitment: Specifically machined for the G8X hub bore to ensure a vibration-free ride.
  • High-Strength Alloy: Lightweight construction reduces unsprung weight for better handling.
  • Complete Kit: Includes 12mm spacers and extended-length wheel bolts for a hassle-free installation.
  • Corrosion Resistant: Hard-anodized finish protects against road salt and elements.

By increasing the track width, you improve the vehicle's cornering stability and overall handling dynamics. Whether you are running stock wheels or aftermarket setups, these spacers provide the necessary clearance and visual impact to make your M-car stand out. Installation is straightforward, allowing you to transform your vehicle's profile in minutes. Trust in the German engineering of H&R and the expert selection of performance components available at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About H&R

H&R Special Springs is the German engineering choice for OE-quality lowering springs, sport coilovers, and sway bars. Every H&R spring is progressive-rate, TÜV-certified, and engineered to retain factory ride quality at a lower stance.

Watch in action

Precision Stance for Your G8X

Achieve the perfect aggressive stance for your 2021+ BMW M3 or M4 (G8X) with the H&R 12mm Wheel Spacer and Bolt Kit. Engineered for enthusiasts who demand both aesthetics and performance, these spacers push your wheels outward to fill the wheel arches, providing a wider track and a more planted look. Crafted from a high-strength, lightweight aluminum-magnesium alloy, these spacers are designed to withstand the rigors of spirited driving while maintaining precise wheel balance.

Key Features and Benefits

  • Perfect Fitment: Specifically machined for the G8X hub bore to ensure a vibration-free ride.
  • High-Strength Alloy: Lightweight construction reduces unsprung weight for better handling.
  • Complete Kit: Includes 12mm spacers and extended-length wheel bolts for a hassle-free installation.
  • Corrosion Resistant: Hard-anodized finish protects against road salt and elements.

By increasing the track width, you improve the vehicle's cornering stability and overall handling dynamics. Whether you are running stock wheels or aftermarket setups, these spacers provide the necessary clearance and visual impact to make your M-car stand out. Installation is straightforward, allowing you to transform your vehicle's profile in minutes. Trust in the German engineering of H&R and the expert selection of performance components available at GGCRACING.

Product Details

Product Description

About H&R

H&R Special Springs is the German engineering choice for OE-quality lowering springs, sport coilovers, and sway bars. Every H&R spring is progressive-rate, TÜV-certified, and engineered to retain factory ride quality at a lower stance.

Watch in action

Precision Stance for Your G8X

Achieve the perfect aggressive stance for your 2021+ BMW M3 or M4 (G8X) with the H&R 12mm Wheel Spacer and Bolt Kit. Engineered for enthusiasts who demand both aesthetics and performance, these spacers push your wheels outward to fill the wheel arches, providing a wider track and a more planted look. Crafted from a high-strength, lightweight aluminum-magnesium alloy, these spacers are designed to withstand the rigors of spirited driving while maintaining precise wheel balance.

Key Features and Benefits

  • Perfect Fitment: Specifically machined for the G8X hub bore to ensure a vibration-free ride.
  • High-Strength Alloy: Lightweight construction reduces unsprung weight for better handling.
  • Complete Kit: Includes 12mm spacers and extended-length wheel bolts for a hassle-free installation.
  • Corrosion Resistant: Hard-anodized finish protects against road salt and elements.

By increasing the track width, you improve the vehicle's cornering stability and overall handling dynamics. Whether you are running stock wheels or aftermarket setups, these spacers provide the necessary clearance and visual impact to make your M-car stand out. Installation is straightforward, allowing you to transform your vehicle's profile in minutes. Trust in the German engineering of H&R and the expert selection of performance components available at GGCRACING.

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