Description
Toyota 8 Inch 4Cyl Pickup 1986-89 and Gen1 4Runner 4.56 Ratio Gear Package Revolution Gear
The 4th Gen Pickup 4.56 Gear package from Revolution Gear and Axle is built for serious performance gains. If you’ve upgraded to larger tires or tow frequently, this gear set helps recover torque, improves crawl control, and restores lost drivability. Designed for 1986–1989 Toyota 4Cyl Pickups and 1984–1989 4Runners, it delivers power where you need it most. Additionally, you benefit from smoother highway driving and increased efficiency.
Features of 4th Gen Pickup 4.56 Gear:
- Perfectly fits 1986–1989 Toyota 4Cyl Pickup and 1984–1989 4Runner
- Compatible with 7.5″ front and 8.0″ rear Toyota differentials
- Enhances crawl ratio, low-end torque, and throttle response
- Reduces engine strain during towing and hill climbs
- Crafted from high-strength, OEM-grade alloy steel
- Operates quietly both on the road and off the trail
- Includes master install kits with 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 Bearings
- Rear Master Install Kit – Timken or Koyo Bearings
Specifications of 4th Gen Pickup 4.56 Gear:
- Gear Ratio: 4.56
- Pinion Splines: 23 (Front), 27 (Rear)
- Material: Heat-treated OEM-grade alloy steel
- Differential Fitment: 7.5″ Front IFS / 8.0″ Rear
- Warranty: 2-Year Limited Manufacturer Warranty
Fitment:
- Toyota, 4Runner, 1984, 1989
- Toyota, Pickup, 1986, 1989
FAQs:
- Will this 4th Gen Pickup & 4Runner 4.56 Gear fit my setup?
Yes, it’s designed for 4-cylinder 1986–1989 Pickups and 1984–1989 4Runners with OEM 7.5″ front and 8.0″ rear axles. - Why choose a 4.56 gear ratio?
The 4.56 ratio improves power delivery, throttle response, and off-road control, especially with larger tires. - Is everything I need included?
Definitely. The package includes both front and rear install kits with Timken or Koyo bearings and all hardware. - How quiet is the setup on pavement?
It’s remarkably quiet. Precision-cut gears ensure smooth and silent highway driving. - Do I need to recalibrate my speedometer?
Absolutely. Recalibration is highly recommended when changing gear ratios or tire size.










