Sunstar Aluminum 42T-520 Rear Sprocket — Fits Kawasaki Motorcycles

SKU: FJMF_5-335642
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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 Sunstar

Sunstar engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Sunstar lineup with fast shipping and expert fitment support — order with confidence.

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Precision-Engineered 42T Aluminum Rear Sprocket

Maximize your Kawasaki's drivetrain efficiency with the Sunstar 42T-520 Aluminum Rear Sprocket. This sprocket is designed to provide the perfect balance between top-end speed and acceleration, making it a versatile choice for various riding styles. Constructed from lightweight, high-strength aluminum, it significantly reduces rotating mass, allowing for better power transfer to the rear wheel and improved suspension performance.

Why Choose This Sprocket?

  • Optimized Weight: Lightweight design reduces unsprung weight for better handling.
  • Durable Alloy: Aircraft-grade aluminum ensures long-lasting performance under demanding conditions.
  • Precision Engineering: CNC-machined teeth provide a smooth, quiet, and efficient chain interface.
  • Perfect Fit: Specifically designed for Kawasaki motorcycles requiring a 42-tooth, 520-pitch setup.

Performance Benefits

By upgrading to a Sunstar aluminum sprocket, you are choosing a component that has been tested to meet the rigorous demands of the track. The 42T configuration is ideal for riders looking to maintain a balance of speed and torque. Whether you are replacing a worn-out sprocket or looking to fine-tune your gearing, this unit offers the reliability and performance you need.

Find all your essential motorcycle drivetrain upgrades and maintenance parts at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Sunstar

Sunstar engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Sunstar lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Precision-Engineered 42T Aluminum Rear Sprocket

Maximize your Kawasaki's drivetrain efficiency with the Sunstar 42T-520 Aluminum Rear Sprocket. This sprocket is designed to provide the perfect balance between top-end speed and acceleration, making it a versatile choice for various riding styles. Constructed from lightweight, high-strength aluminum, it significantly reduces rotating mass, allowing for better power transfer to the rear wheel and improved suspension performance.

Why Choose This Sprocket?

  • Optimized Weight: Lightweight design reduces unsprung weight for better handling.
  • Durable Alloy: Aircraft-grade aluminum ensures long-lasting performance under demanding conditions.
  • Precision Engineering: CNC-machined teeth provide a smooth, quiet, and efficient chain interface.
  • Perfect Fit: Specifically designed for Kawasaki motorcycles requiring a 42-tooth, 520-pitch setup.

Performance Benefits

By upgrading to a Sunstar aluminum sprocket, you are choosing a component that has been tested to meet the rigorous demands of the track. The 42T configuration is ideal for riders looking to maintain a balance of speed and torque. Whether you are replacing a worn-out sprocket or looking to fine-tune your gearing, this unit offers the reliability and performance you need.

Find all your essential motorcycle drivetrain upgrades and maintenance parts at GGCRACING.

Product Details

Product Description

About Sunstar

Sunstar engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Sunstar lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Precision-Engineered 42T Aluminum Rear Sprocket

Maximize your Kawasaki's drivetrain efficiency with the Sunstar 42T-520 Aluminum Rear Sprocket. This sprocket is designed to provide the perfect balance between top-end speed and acceleration, making it a versatile choice for various riding styles. Constructed from lightweight, high-strength aluminum, it significantly reduces rotating mass, allowing for better power transfer to the rear wheel and improved suspension performance.

Why Choose This Sprocket?

  • Optimized Weight: Lightweight design reduces unsprung weight for better handling.
  • Durable Alloy: Aircraft-grade aluminum ensures long-lasting performance under demanding conditions.
  • Precision Engineering: CNC-machined teeth provide a smooth, quiet, and efficient chain interface.
  • Perfect Fit: Specifically designed for Kawasaki motorcycles requiring a 42-tooth, 520-pitch setup.

Performance Benefits

By upgrading to a Sunstar aluminum sprocket, you are choosing a component that has been tested to meet the rigorous demands of the track. The 42T configuration is ideal for riders looking to maintain a balance of speed and torque. Whether you are replacing a worn-out sprocket or looking to fine-tune your gearing, this unit offers the reliability and performance you need.

Find all your essential motorcycle drivetrain upgrades and maintenance parts at GGCRACING.

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