Description
2nd Gen Tacoma 4.56 Gear 8.4 Inch Open Carrier | Toyota Tacoma 2005-15 Rear Differential Gear Package by Revolution Gear
Bring your Tacoma to the next level with our top-of-the-line 2nd Gen Tacoma 4.56 Gear 8.4 Inch Open Carrier package. Engineered for 2005–2015 Toyota Tacoma models equipped with an open rear differential, this gear set delivers better drivability, enhanced towing capability, and improved off-road performance.
Produced by Revolution Gear and Axle, this complete kit includes both front and rear 4.56 ring and pinion gear sets. Additionally, it features a Master Install Kit packed with premium Timken or Koyo bearings. All components are made from high-grade steel and undergo precision heat treatment to OEM standards, ensuring long-lasting reliability and exact fitment.
Key Features of 2nd Gen Tacoma 4.56 Gear:
- Designed for 2005–2015 Toyota Tacoma with 8.4″ open carrier rear differential
- Includes both front and rear 4.56 ring and pinion gear sets
- Master Install Kit with Timken or Koyo bearings included
- Rear pinion spline: 27 | Front pinion spline (IFS): 29
- Thick front gear compatible with 3.73 and down carrier
Performance Benefits:
- Improves low-end torque, ideal for off-road driving and crawling
- Boosts towing capability without overworking the engine
- May improve highway fuel efficiency by optimizing RPMs
- Delivers quieter operation and smoother ride overall
What’s Included:
- Front Ring and Pinion Gear Set (4.56 Ratio)
- Rear Ring and Pinion Gear Set (4.56 Ratio)
- Master Install Kit (Timken or Koyo Bearings)
Specifications of 2nd Gen Tacoma 4.56 Gear:
- Gear Ratio: 4.56
- Rear Differential: Toyota 8.4″ Open Carrier
- Front Differential: Toyota 8″ IFS
- Rear Pinion Spline Count: 27
- Front Pinion Spline Count: 29
- Vehicle Fitment: Toyota Tacoma 2005–2015 (Open Carrier Models)
FAQs:
- Q1: Will this work with a factory rear locker?
A: No. This kit is specifically designed for open rear carrier models only. - Q2: Are the bearings from Timken or Koyo?
A: Yes. Depending on the part number, the kit includes either Timken or Koyo premium bearings. - Q3: Is professional installation required?
A: While not mandatory, professional installation is strongly recommended for best results and warranty protection. - Q4: Can this improve fuel economy?
A: Yes, especially at highway speeds where optimized RPMs help reduce fuel consumption. - Q5: What makes this gear set better than others?
A: Revolution Gear uses OEM-grade machining, top-tier steel, and precise heat treatments to deliver long-lasting, quiet, and durable performance.
Whether you’re upgrading for towing, trail performance, or overall drivability, the 2nd Gen Tacoma 4.56 Gear 8.4 Inch Open Carrier kit offers unmatched reliability. Backed by a 2-year warranty from Revolution Gear and Axle, it’s proven to perform on any terrain.














