Drivetrain Differentials and Rear-End Components

USA Standard (Yukon)

10.5 Ford 4.56 Rear Ring Pinion Install Kit 35 Spline Posi 10.5 FORD 4.56 REAR R P GEAR INSTA

$2,267.89

SKU: U018 ZGK2155

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

High-performance upgrade for Ford F-250 Super Duty, featuring a 4.56 gear ratio and a posi (limited-slip) differential for superior traction and improved torque distribution, ideal for off-road, towing, and high-performance driving. Built from high-quality forged steel for exceptional strength and durability, with precision-machined components for smooth and quiet operation. The posi differential evenly distributes power between the rear wheels, improving stability and handling.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandUSA Standard (Yukon)
Part NumberU018 ZGK2155

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy