Cusco
Cusco LSD RS 1.5-Way Rear Differential — Fits 2006-2010 Mazda MX-5 Miata NCEC
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Cusco LSD RS 1.5-Way Rear Differential — Fits 2006-2010 Mazda MX-5 Miata NCEC
Cusco

Cusco LSD RS 1.5-Way Rear Differential — Fits 2006-2010 Mazda MX-5 Miata NCEC

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SKU: CUSLSD 428 L15

About Cusco Cusco Japan engineers the strut-tower braces, sway bars, ...Read more

Price:
$1,387.50 $1,480.00
13870 ENTRIES10X
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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

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About Cusco

Cusco Japan engineers the strut-tower braces, sway bars, alignment correction, and limited-slip differentials that power JDM and time-attack programs. The brand behind countless Time Attack and grassroots motorsport podiums.

Watch in action

Unlock Rear-Wheel Drive Performance

Transform the driving dynamics of your Mazda MX-5 Miata (NCEC) with the Cusco LSD RS 1.5-Way Rear Differential. Designed to provide consistent, predictable locking, this differential is the perfect upgrade for Miata owners looking to improve traction, drift control, and overall cornering speed.

Why Choose Cusco LSD RS?

  • 1.5-Way Performance: Ideal for both road racing and spirited canyon driving, offering excellent stability.
  • RS Internal Mechanism: Uses high-quality coil springs for smooth engagement and reduced noise compared to traditional clutch-type units.
  • Durability: Engineered to withstand the demands of high-performance driving and frequent track use.
  • Perfect Fitment: Specifically designed for the NCEC chassis, ensuring a direct and reliable installation.

The Cusco LSD RS allows you to put power down with confidence, preventing the dreaded single-wheel spin common in factory open differentials. Whether you are aiming for faster exit speeds on the track or more controlled slides, this unit provides the mechanical grip you need. The high-quality materials and meticulous craftsmanship ensure that your drivetrain remains responsive and reliable under pressure. Upgrade your Miata's rear end today and experience the difference that a professional-grade differential makes. Find all your essential performance parts at GGCRACING.

About Cusco

Cusco Japan engineers the strut-tower braces, sway bars, alignment correction, and limited-slip differentials that power JDM and time-attack programs. The brand behind countless Time Attack and grassroots motorsport podiums.

Watch in action

Unlock Rear-Wheel Drive Performance

Transform the driving dynamics of your Mazda MX-5 Miata (NCEC) with the Cusco LSD RS 1.5-Way Rear Differential. Designed to provide consistent, predictable locking, this differential is the perfect upgrade for Miata owners looking to improve traction, drift control, and overall cornering speed.

Why Choose Cusco LSD RS?

  • 1.5-Way Performance: Ideal for both road racing and spirited canyon driving, offering excellent stability.
  • RS Internal Mechanism: Uses high-quality coil springs for smooth engagement and reduced noise compared to traditional clutch-type units.
  • Durability: Engineered to withstand the demands of high-performance driving and frequent track use.
  • Perfect Fitment: Specifically designed for the NCEC chassis, ensuring a direct and reliable installation.

The Cusco LSD RS allows you to put power down with confidence, preventing the dreaded single-wheel spin common in factory open differentials. Whether you are aiming for faster exit speeds on the track or more controlled slides, this unit provides the mechanical grip you need. The high-quality materials and meticulous craftsmanship ensure that your drivetrain remains responsive and reliable under pressure. Upgrade your Miata's rear end today and experience the difference that a professional-grade differential makes. Find all your essential performance parts at GGCRACING.

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