Short Summary: The MGK-520 Differential Ring & Pinion from Motive Gear delivers an aftermarket replacement that fits Toyota 8.0 IFS (front) and Toyota 8.4 (rear) differentials.
Engineered with precision-cut pinions and 8620 steel ring gears to restore reliability and drivetrain smoothness at a 4.56 gear ratio.
Features: Gear Ratio: 4.56 — optimized for drivability and torque for Toyota Tacoma applications.
Pinion Gear Tooth Quantity: 9; Ring Gear Tooth Quantity: 41 for matched gear mesh.
Pinion Shaft Diameters: Front 1.37" (TAC456IFSL) / Rear 1.57" (TAC456).
Pinion Spline Count: Front 29 spline (TAC456IFSL) / Rear 30 spline (TAC456).
Ring Gear Outside Diameter: Front 8.00" (TAC456IFSL) / Rear 8.125" (TAC456).
Ring Gear Bolt Quantity: Front 10-bolt / Rear 12-bolt; Ring Gear Material: 8620 steel.
Rotation: Front (Reverse) / Rear (Standard) — engineered to match OEM rotation requirements.
Package Includes: Ring, Pinion, bearings & seals (Koyo-bearing-kit compatible) — ready for professional installation.
Application & Compatibility: Brand: Toyota Toyota Tacoma — 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015.
Fitment Notes: Fits Toyota 8.0 Reverse Clamshell front differential (IFS) and Toyota 8.4 rear differential housings.
Designed for front and rear applications where a 4.56 ratio and the listed pinion/ring specifications are required.
Supplied without OEM rear e-locker.
Replaces: Revolution Gear & Axle: REV-TACO-LATE-W/O-LOCK-456.
Brand Warranty & Why Choose Motive Gear: Warranty: 1 Year or 50,000 Miles.
Motive Gear ring & pinion packages are manufactured to strict metallurgical and machining standards, using 8620 steel ring gears and precision-ground pinions for accurate tooth contact and long life.
This MGK-520 set is engineered as a direct-fit replacement for Toyota Tacoma 2005–2015 8.0 IFS and 8.4 axles, providing reliable performance and quiet operation.
Backed by a 1-year/50,000-mile warranty, the kit includes matching bearings and seals for a single-source rebuild solution — a smart choice for professional mechanics and enthusiasts seeking OEM-style fitment with aftermarket value.
Note: Always verify axle housing, bolt pattern, spline count and pinion diameter against your vehicle’s build data before ordering.
This product is supplied without OEM rear e-locker.