Description
1st Gen 4Runner 4.56 Gear | Toyota 8 Inch V6 Pickup 1986-89 and Gen1 4Runner 4.56 Ratio Gear Package Revolution Gear
The 1st Gen 4Runner 4.56 Gear from Revolution Gear and Axle is the go-to solution for restoring torque and trail performance in V6 4Runners and Pickups. Built for 1986–1989 Toyota models, this gear kit improves crawl control, throttle response, and torque output—especially if you’ve installed oversized tires or tow heavy loads.
Features of 1st Gen 4Runner 4.56 Gear:
- Custom fit for 1986–1989 Toyota V6 4Runner and Pickup trucks
- Designed for 8″ rear and 7.5″ front Toyota factory differentials
- Improves low-end power and throttle response
- Minimizes engine stress while towing or climbing
- Built from OEM-grade, heat-treated alloy steel for strength
- Operates quietly under all driving conditions
- Comes with master install kits using Timken or Koyo bearings
What’s Included:
- Front 4.56 Ring & Pinion Gear Set – Toyota 7.5″
- Rear 4.56 Ring & Pinion Gear Set – Toyota 8.0″
- Front Master Install Kit – Timken or Koyo
- Rear Master Install Kit – Timken or Koyo
Specifications of 1st Gen 4Runner 4.56 Gear:
- Gear Ratio: 4.56
- Pinion Splines: 23 Front / 27 Rear
- Differential Fitment: Toyota 7.5″ IFS front / 8.0″ rear
- Material: Heat-treated alloy steel
- Warranty: 2-Year Limited Manufacturer Warranty
Fitment:
- Toyota, 4Runner, 1984, 1989
- Toyota, Pickup, 1986, 1989
FAQs:
- Will this fit my V6?
Yes. It’s specifically built for 1986–1989 Toyota V6 4Runner and Pickup models with OEM axles. - Why should I choose a 4.56 gear ratio?
It’s ideal for larger tires, enhancing throttle feel, torque delivery, and off-road control. - Is everything needed for installation included?
Absolutely. You’ll receive full install kits with Timken or Koyo bearings for both axles. - Will it make noise during highway driving?
No. These gears are precision-cut for quiet, smooth performance at any speed. - Do I need to recalibrate my speedometer?
Yes. After changing gear ratios or tire sizes, recalibration is highly recommended.










