Fits all of the following models with OEM E-Locker 2010-2015 FJ Cruiser 2010-2014 4-Runner 2009-2014 Prado 150 2009-2014 Lexus GX460 Nitro, [SELECT] Ratio, Front & Rear Gear Package Kit Front Differential: Toyota 8″ Rev. IFS Clamshell Rear Differential: Toyota 8.2″ Gear Ratio: 4.56 Manufacturer: Nitro Gear & Axle Warranty: 2 Years Fits: Toyota OEM E-Locker equipped- 2010+ FJ Cruiser 2010-14 4-Runner, 2009-14 Prado 150 2009-14 GX460 Nitro Complete Gear Package Includes: Front ring & pinion Front Master Install Kit including upgraded solid pre-load spacer Rear ring & pinion Rear Master Install Kit including upgraded solid pre-load spacer Tech Notes: -If your Toyota has OEM 3.90 or 4.10 gears a new carrier is required: TOY41311-35120 or ARBRD121 Carriers sold separately. -Solid Preload spacer replaces stock type crush sleeve improving bearing preload retention, eliminating possible crush sleeve damage if the yoke is impacted offroad and allows the pinion seal to be serviced without complete disassembly of the differential to replace a crush sleeve and reset pinion bearing preload. -Nitro Master kits include name brand OE quality bearings. Suffering from poor performance and reduced fuel economy resulting from oversized tires? A Nitro gear change will help get that performance and economy back! It is a common misconception that lower gears are only for hardcore off-roading, in actuality the average daily driven vehicle can see huge improvements in both performance and economy by properly matching their vehicles gear ratio to their tire size all while reducing strain on the vehicles drivetrain. We at Nitro Gear & Axle realize the difficulty for the average consumer or install shop to compile the list of parts and prices required when doing a gear change. To make it easier for everyone the experts at Nitro are introducing an industry first- Gear Packages for many popular 4×4 applications. One part number. One price. One click away.