2011-2023 F150 9.75" Rear End Nitro Gear & Axle Complete 4.56 Gear Package (9.75" Only) GPF150-2-4.56

Highlights:

• Front and rear differential overhaul
• Includes front and rear gears and Master Install Kits
• High-strength and precisely machined gears
• Install kits with high-quality bearings and hardware
• Compensates for big tires and adds performance
• For F150s with 9.75" rear ends only

Full Set of Ring and Pinion Gears with Two Master Install Kits

The only thing better than adding a set of high-quality and more aggressive gears to your 2011-2022 F150 is when you get both the gear sets and the install kits you need all in one place. The Nitro Gear & Axle Complete 4.56 Gear Package Comes with both Nitro front and rear gears for F150s equipped with 9.75" rear ends and 8.8" IFS front ends along with Nitro Master Install Kits for both differentials of your truck. The Nitro Complete 4.56 Gear Package gives you everything you need to give your F150 a full overhaul of its wearable differential components while adding off-the-line performance and acceleration to your aggressive truck. 4.56 gears are the perfect choice for F150s that need to compensate for large tires and get the acceleration and final drive ratio you need get a whole new feel for your F150. The included Master Install Kits included in this package come with high-quality components and hardware that refresh your differentials' seals and bearings so that you get quiet and reliable operation.

High-Strength Ring-and-Pinion Gears with Careful Machining

The front and rear gears included in Nitro's Complete Gear Package feature high-quality construction and precise machining to fit perfectly in your truck and give you quiet operation. The gears are made out of forged 8620 gear steel and Rockwell tested for hardness to ensure that they're strong enough to handle practically any application that you have in mind for your F150. The gears are cut using computer-controlled processes before being CNC triple-lapped in order to ensure quiet operation and proper engagement between the ring and pinion. The gears install right into place of your F150's factory front and rear end gears and work perfectly with the two Master Install Kits.

Includes High-Quality Bearings, Shims, Seals, and Hardware

The two Nitro Master Install Kits included with this package feature high-quality components and come with everything you need to get your new Nitro Gears up and running on your truck and guarantee their reliable operation. Each kit comes standard with Timken and Koyo bearings that are paired with new races, crush sleeves, pinion nuts, seals and shims. These Master Install Kits allow you to easily install the front and rear gears while replacing critical components of your front and rear differentials so that they operate flawlessly for years to come.

Fitment: 2011-2022 F150 9.75" rear end.

For 9.75" rear end only: these gears will only fit 2011-2022 F150s with a 9.75" rear end. They will not fit 2011-2014 F150s with 8.8" rear ends or 2015-2023 F150 Super 8.8" rear ends. A version of this gear package for 2015-2023 F150s with Super 8.8" Rear Ends is here.

Rear Install Kit Components:

• Pinion bearings
• Pinion races
• Pinion nut
• Pinion seal
• Carrier shims
• Pinion depth shims
• Crush sleeve
• Silicone
• Marking compound
• Brush
• Loctite

Front Install Kit Components:

• Pinion bearings
• Pinion races
• Pinion nut
• Pinion seal
• Stub axle seal
• Stub axle bearings
• Shims
• Ring gear bolts
• Crush sleeve
• Silicone
• Marking compound
• Brush
• Loctite