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Revolution Gear D30 JK/JL Front 4.88 Ratio Ring and Pinion Gear Set - Fits Dana 30 Front Differential - Compatible with Jeep Wrangler JK & JL - Durable Steel Gears for Off-Road & Smooth Performance

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$213.99

$ 95 .99 $95.99

In Stock

1.Size:4.10 Ratio


  • PRECISION-CUT 4.88 RATIO RING & PINION FOR MAXIMUM PERFORMANCE: Designed for smooth operation, improved torque distribution, and enhanced traction, making it perfect for off-road trails, rock crawling, and daily driving.
  • DIRECT FIT FOR DANA 30 FRONT DIFFERENTIAL - JEEP WRANGLER JK & JL (NON-RUBICON ONLY): Engineered for a seamless fit on Jeep JK & JL Non-Rubicon models with a Dana 30 front axle, featuring a 3.55/3.73 carrier break for easy installation and superior drivetrain performance.
  • REVERSE ROTATION DESIGN FOR ENHANCED POWER TRANSFER: Optimized for reverse gear rotation, reducing drivetrain stress and improving efficiency, making it ideal for lifted Jeeps, high-performance off-road builds, and aggressive terrains.
  • HEAVY-DUTY STEEL CONSTRUCTION FOR ULTIMATE DURABILITY: Manufactured from premium high-strength steel with precision-machined teeth for quieter operation, extended gear life, and exceptional resilience in extreme off-road conditions.
  • STREET, OFF-ROAD & RACE-PROVEN RELIABILITY: Rigorously tested in harsh environments, Revolution Gear & Axle products provide unmatched durability and performance, making them a trusted upgrade for Jeep owners who demand excellence.


Revolution Gear & Axle

Revolution Gear and Axle Ring and Pinions are designed for compatibility with Dana 30 Reverse Rotation Gear sets for 2007-18 Front Jeep JK Non-Rubicon and 2018+ JL Non-Rubicon models with a 186MM front differential. Made from high-quality steel and precision heat-treated to OEM specifications, these aftermarket gears offer exceptional durability and performance.

All Revolution Ring and Pinion sets come with an industry-leading 2-year warranty against defects. The precisely controlled manufacturing process ensures a flawless setup, smooth operation, and longer gear life.

Tested in street, off-road, and race conditions, Revolution Gear and Axle products are among the most trusted in the aftermarket.

Ring and Pinion Specs:

  • Ratio: 4.88
  • Ring Gear Rotation: Reverse
  • Pinion Splines: 26
  • Material: 8620
  • Ring Gear Diameter: 7.2 inches
  • Ring Gear Bolt Thread: 10 x 3/8"
  • Differential Compatibility: Dana 30 | Dana 186MM
  • Carrier Break: 3.55/3.73 Ratio
  • Cover Bolts: 10 Bolt | 12 Bolt
  • Country of Origin: Korea
  • Parts Included: Ring and Pinion Gear Set (Ring Gear Bolts not included)

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