Description
4th Gen 4Runner 4.56 Gear w/Locker | Toyota FJ Cruiser 4.56 Ratio 8 Inch with Locker Gear Package Revolution Gear
The 4th Gen 4Runner 4.56 Gear package delivers restored torque, enhanced control, and instant traction with an electric locker. Built from heat-treated 8620 steel and matched to OE specs, this kit includes front and rear gears plus premium install components. Whether you’re towing, trail riding, or daily driving on larger tires, this upgrade provides smooth, dependable performance.
Features of 4th Gen 4Runner 4.56 Gear:
- 4.56 gear ratio calibrated for 33”–35” tires
- Front and rear ring and pinion gear sets included
- OEM-style electric locker delivers instant traction
- Engineered for Toyota 8.0″ V6 rear and IFS front axles
- Crafted from 8620 heat-treated steel for extreme durability
- Master Install Kits include Timken or Koyo bearings and hardware
- Improves towing capability, throttle response, and highway efficiency
- Backed by a 2-Year Limited Warranty
What’s In The Box:
- Front 4.56 Ring and Pinion Gear Set
- Rear 4.56 Ring and Pinion Gear Set
- OEM-Style Electric Locker
- Master Install Kits with bearings, seals, and installation hardware
- Detailed installation instructions
Specifications of 4th Gen 4Runner 4.56 Gear:
- Gear Ratio: 4.56
- Material: 8620 Heat-Treated Steel
- Differentials: Toyota 8.0″ V6 Rear and IFS Front
- Carrier Type: Electric Locker (OEM Style)
- Pinion Spline Count: 29
- Warranty: 2-Year Manufacturer Warranty
Fitment:
- Toyota 4Runner 2003–2008 (with factory locker)
- Lexus GX470 2003–2009 (with factory locker)
- Toyota FJ Cruiser 2007–2014 (with locker)
FAQs:
- Is the 4.56 gear ratio good for 35” tires?
Yes. It is ideal for 33”–35” tires and helps restore lost torque and drivability. - Does the kit include the locker?
Absolutely. The OEM-style electric locker is included and works seamlessly with Toyota systems. - Will this gear set help with towing?
Definitely. Lower gearing increases torque, reducing engine strain under heavy loads. - Is professional installation required?
While not mandatory, expert installation is strongly recommended for best results. - Are the bearings included in this kit?
Yes. The Master Install Kits come complete with Timken or Koyo bearings and all hardware.










