Performance Engineering & Manufacturing Set 21 Premium Quick Change Gears — 10 Spline Steel Gear Set

SKU: GSDD_65021
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High-Durability Set 21 Quick Change GearsFor racers looking to fine-tune ...Read More

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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

High-Durability Set 21 Quick Change Gears

For racers looking to fine-tune their drivetrain for maximum speed, the Performance Engineering & Manufacturing (PEM) Set 21 Quick Change Gears are the ideal choice. These gears are precision-engineered to deliver consistent performance and reliability under the most demanding racing conditions. Featuring a 10-spline interface and constructed from high-strength hardened steel, this gear set is designed to handle high torque while maintaining smooth power delivery to the rear wheels.

Technical Specifications

  • Set Number: 21
  • Spline Count: 10 Spline
  • Material: Premium Hardened Steel
  • 4.11 Ratio Output: 6.28 / 2.69
  • 4.86 Ratio Output: 7.43 / 3.18

The Set 21 gears from PEM are known for their exceptional wear resistance and structural integrity. By choosing these high-quality components, you are ensuring that your quick-change differential operates at peak efficiency, reducing the risk of gear failure during critical race moments. The precise tooth profiles are designed to minimize friction and heat, allowing for more consistent performance throughout long races. Whether you are racing on dirt or asphalt, these gears provide the versatility and durability you need to stay competitive. Upgrade your racing setup with confidence by choosing PEM, the industry standard for quick-change gear technology. Find all your racing drivetrain essentials at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

High-Durability Set 21 Quick Change Gears

For racers looking to fine-tune their drivetrain for maximum speed, the Performance Engineering & Manufacturing (PEM) Set 21 Quick Change Gears are the ideal choice. These gears are precision-engineered to deliver consistent performance and reliability under the most demanding racing conditions. Featuring a 10-spline interface and constructed from high-strength hardened steel, this gear set is designed to handle high torque while maintaining smooth power delivery to the rear wheels.

Technical Specifications

  • Set Number: 21
  • Spline Count: 10 Spline
  • Material: Premium Hardened Steel
  • 4.11 Ratio Output: 6.28 / 2.69
  • 4.86 Ratio Output: 7.43 / 3.18

The Set 21 gears from PEM are known for their exceptional wear resistance and structural integrity. By choosing these high-quality components, you are ensuring that your quick-change differential operates at peak efficiency, reducing the risk of gear failure during critical race moments. The precise tooth profiles are designed to minimize friction and heat, allowing for more consistent performance throughout long races. Whether you are racing on dirt or asphalt, these gears provide the versatility and durability you need to stay competitive. Upgrade your racing setup with confidence by choosing PEM, the industry standard for quick-change gear technology. Find all your racing drivetrain essentials at GGCRACING.

Product Details

Product Description

High-Durability Set 21 Quick Change Gears

For racers looking to fine-tune their drivetrain for maximum speed, the Performance Engineering & Manufacturing (PEM) Set 21 Quick Change Gears are the ideal choice. These gears are precision-engineered to deliver consistent performance and reliability under the most demanding racing conditions. Featuring a 10-spline interface and constructed from high-strength hardened steel, this gear set is designed to handle high torque while maintaining smooth power delivery to the rear wheels.

Technical Specifications

  • Set Number: 21
  • Spline Count: 10 Spline
  • Material: Premium Hardened Steel
  • 4.11 Ratio Output: 6.28 / 2.69
  • 4.86 Ratio Output: 7.43 / 3.18

The Set 21 gears from PEM are known for their exceptional wear resistance and structural integrity. By choosing these high-quality components, you are ensuring that your quick-change differential operates at peak efficiency, reducing the risk of gear failure during critical race moments. The precise tooth profiles are designed to minimize friction and heat, allowing for more consistent performance throughout long races. Whether you are racing on dirt or asphalt, these gears provide the versatility and durability you need to stay competitive. Upgrade your racing setup with confidence by choosing PEM, the industry standard for quick-change gear technology. Find all your racing drivetrain essentials at GGCRACING.

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