Rear Gear Makeover.
Many people purchase rear gears to swap out their factory gears thinking that's all that's needed. Any time you replace the rear end gears in your 2008-2010 F-150's 9.75" differential, you should really replace the bearings, races and seals as well for proper installation and performance. This 4.88 Rear Gear and Master Overhaul Kit by Yukon comes with everything you need to complete your upgrade from start to finish.Wake Up Your F-150.
Installing a set of steeper gears is a great way to get your F-150 into the power band quicker for improved low end torque, faster acceleration off the line and quicker ET's. A set of 4.88 Yukon Gears will really wake up your F-150. Better Than OEM Quality.
Yukon Gear crafts their Rear Ring Gear and Pinion from forged 8620 triple alloy steel for superior durability. As a result, they can handle the rigors of driving hard on the road or rugged trails. Using state of the art equipment and manufacturing techniques, Yukon Ring and Pinion sets are made to higher than OEM standards and are backed by a 1-Year Warranty. Last for Years.
The included Master Overhaul Kit contains Timken bearings and several pieces that have been precision machined to perfection using Yukon Gear's innovative casting and manufacturing techniques. Thanks to the sturdy and durable construction, this kit will last for years and allow you to handle even the toughest of jobs. Recommended Upgrade.
Changing the rear axle gear ratio will throw off the calibration of your F-150's speedometer, but a Tuner
is a quick and easy way to fix this issue. Application.
This 4.88 Yukon Rear Gear and Master Overhaul Kit is designed to fit on 2008 to 2010 Ford F-150s with a 9.75" Rear Differential. Application Note.
If you're unsure if your F-150 has an 8.8 in. (10 Bolt) or a 9.75 in. (12 Bolt) rear, please check with your local Ford dealer to determine what rear is in your truck. Technical Note.
Installation costs will vary, but a good rule of thumb is between $250 and $300. Be sure to work with a reliable shop that you trust for installations.