Yukon Gear 4.88 Ring & Pinion Gear Set — Fits 2007-2018 Jeep JK D30

SKU: FDHC_YG D30SR-488JK
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About Yukon Gear Yukon Gear engineers high-quality automotive parts and ...Read More

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Sale price$476.61
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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 Yukon Gear

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

Watch in action

High-Performance Ring and Pinion for Jeep JK

Optimize your Jeep Wrangler JK's off-road capabilities with the Yukon Gear 4.88 Ring & Pinion Gear Set. Specifically engineered for the Dana 30 reverse rotation front axle, this gear set is the ideal upgrade for those running larger tires who need to restore lost power and torque. Yukon Gear uses premium steel and advanced manufacturing processes to ensure these gears provide quiet, smooth, and reliable operation on and off the trail.

Key Features

  • Ratio: 4.88 for improved torque and acceleration
  • Fitment: Jeep Wrangler JK (Dana 30 Front)
  • Design: Reverse rotation, short pinion
  • Spline Count: 24-spline pinion
  • Performance: High-strength steel for maximum durability

This gear set is designed to handle the demands of off-roading, providing the strength needed to tackle steep inclines and challenging terrain with confidence. The precision-cut teeth ensure optimal contact patterns, resulting in reduced gear noise and increased longevity. By re-gearing to 4.88, you can effectively compensate for larger tire sizes, bringing your Jeep's performance back to factory specs or better.

Find all the essential gear sets and drivetrain components for your build at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Yukon Gear

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

Watch in action

High-Performance Ring and Pinion for Jeep JK

Optimize your Jeep Wrangler JK's off-road capabilities with the Yukon Gear 4.88 Ring & Pinion Gear Set. Specifically engineered for the Dana 30 reverse rotation front axle, this gear set is the ideal upgrade for those running larger tires who need to restore lost power and torque. Yukon Gear uses premium steel and advanced manufacturing processes to ensure these gears provide quiet, smooth, and reliable operation on and off the trail.

Key Features

  • Ratio: 4.88 for improved torque and acceleration
  • Fitment: Jeep Wrangler JK (Dana 30 Front)
  • Design: Reverse rotation, short pinion
  • Spline Count: 24-spline pinion
  • Performance: High-strength steel for maximum durability

This gear set is designed to handle the demands of off-roading, providing the strength needed to tackle steep inclines and challenging terrain with confidence. The precision-cut teeth ensure optimal contact patterns, resulting in reduced gear noise and increased longevity. By re-gearing to 4.88, you can effectively compensate for larger tire sizes, bringing your Jeep's performance back to factory specs or better.

Find all the essential gear sets and drivetrain components for your build at GGCRACING.

Product Details

Product Description

About Yukon Gear

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

Watch in action

High-Performance Ring and Pinion for Jeep JK

Optimize your Jeep Wrangler JK's off-road capabilities with the Yukon Gear 4.88 Ring & Pinion Gear Set. Specifically engineered for the Dana 30 reverse rotation front axle, this gear set is the ideal upgrade for those running larger tires who need to restore lost power and torque. Yukon Gear uses premium steel and advanced manufacturing processes to ensure these gears provide quiet, smooth, and reliable operation on and off the trail.

Key Features

  • Ratio: 4.88 for improved torque and acceleration
  • Fitment: Jeep Wrangler JK (Dana 30 Front)
  • Design: Reverse rotation, short pinion
  • Spline Count: 24-spline pinion
  • Performance: High-strength steel for maximum durability

This gear set is designed to handle the demands of off-roading, providing the strength needed to tackle steep inclines and challenging terrain with confidence. The precision-cut teeth ensure optimal contact patterns, resulting in reduced gear noise and increased longevity. By re-gearing to 4.88, you can effectively compensate for larger tire sizes, bringing your Jeep's performance back to factory specs or better.

Find all the essential gear sets and drivetrain components for your build at GGCRACING.

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