Recommended:
3 quarts of Nitro Syntheic Plus Gear Lube

Fits:
Great for hardcore custom vehicles with lots of power, big tires, and run hard.
King Of Hammer, Ultra 4 Baja, Pre-Runners, Trophy Trucks, Diesel Drag racing, Offroad Racing

Tech Note:
This Nitro Pro Billet Aluminum 3rd Member case is our exclusive 3.812" bore NPDOF9-BILLET-40.
Extremely strong, yet compact, based on the Ford 9"
Choice of Nitro 10" Gearset Ratio
Also available with an ARB RD249CE Competition Air Locker. REBF10BILLET-PRO40-ARB

Includes:
Nitro 3.812" Billet 3rd Member Housing
Nitro 9310 Pro Ring & Pinion Gears
Nitro Big 40 Spline Spool
Nitro Master Install Kit
Nitro Forged 1350 Yoke

Professionally assembled and ready to install in your 9" axle housing.

Manufactured right here in the U.S. of A., these Nitro 3rd Members are CNC machined from aircraft grade 6061-T6 solid billet aluminum. High strength studs support the billet caps and adjuster nuts. These units feature a load bolt and use a billet 10 bolt Daytona style pinion support retained with high strength studs and hardware. Engineered for maximum stiffness and minimum defection these 3rd members are built in house to exacting specifications for extreme reliability, optimum street performance and stunning good looks. The Nitro Big 40 Spool does not require additives or additional maintenance after installation. Also available, ARB RD249CE Competition Air Locker application. " call 1-866-349-6801 for a quote.

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Nitro Gear & Axle strives to provide the highest quality differential & axle components available. We take the steps necessary to ensure our parts are dependable. Our product range is continually growing to meet the needs of consumers for new ratios and Fits. At Nitro we know differentials, and know what it takes to provide you with high quality components.