1999-2010 F250 & F350 Nitro Gear & Axle 31-Spline 4.88 Ring & Pinion Set (10.5" Rear) F10.5-488-NG

Highlights:

• 4.88 gear ratio
• Designed for 10.5" rear axles
• Made from 8620 steel
• Features a 31-spline design
• CNC precision machined & heat treated for exceptional strength

High-Strength, Quiet-Running Ring & Pinion Kit by Nitro Gear & Axle

There are plenty of reasons for swapping out your gears for a different ratio, whether it's to accommodate a new wheel/tire setup, adjust power, or just for reliability sake. Whatever you reasons for wanting to upgrade your gears, Nitro Gear & Axle makes a ring and pinion set that can be depended on even in extremely high-performance applications and off-road scenarios.

Computer-Controlled Gear Mapping for Easy Install and Quiet Operation

Built from 8620 steel gear forgings using a CNC-precision machining and heat treating process, Nitro's ring and pinion kits are some of the toughest, quietest gears on the market. Nitro Gear & Axle utilizes computer-controlled gear mapping to ensure perfect contact patterns, easy installation, and a quiet-running gear setup.

Fitment: 1999-2010 F250/F350 Super Duty models w/ 10.5" rear axles