Dana 30 Differential Ring and Pinion Set With 4.88 Ratio For Jeep Wrangler TJ And Grand Cherokee 1987 To 2006, 26 Spline Pinion, 10 Bolt Drive, Heavy Duty Gear Upgrade For Trail Ready Off Road Traction

High-Performance 4.88 Gear Set for Jeep Front Axle
✔️ 4.88 ratio, 26-spline pinion, 10-bolt ring gear, heavy duty

This Motive Gear 4.88 ring and pinion set is engineered for front Dana 30 axles in Jeep Wrangler TJ (1997-2006) and Grand Cherokee (1997-1998). This complete gear kit is sold as a single set and is built for off-road crawling, towing, and high-torque driving with a direct-fit design.

✅ 4.88 gear ratio boosts crawl pace, acceleration and torque
✅ 26-spline pinion and 10-bolt ring gear for Dana 30 strength
✅ 8620 steel construction, heat-treated for long-lasting reliability
✅ Standard rotation design, compatible with carrier breaks 3.73+
✅ Direct replacement for Dana 30 front axles in Wrangler TJ and Grand Cherokee

💡 What is a ring and pinion gear set for a front axle used for in Jeep builds?

In short, it's a gear kit that changes the drive ratio to improve torque and crawl power in off-road driving.

• Improves crawl ratio and low-end torque for rugged terrain
• Requires precise installation: backlash, pinion depth, and shimming
• Best paired with matched gears and correct carrier compatibility