ORR178916X01 ORRIGEY Posi Differential Gear Set Spline Ford

Review ORRIGEY Truck Posi Differential Spider Gear Set For Ford 8.8 Inch 31 Spline for FORD 1986–2013

The Orrigey ORR178916X01 Posi Differential Gear Set is a high-performance upgrade for the Ford 8.8 inch 31 spline rear end, suitable for various Ford models produced between 1986 and 2013. This gear set is designed to provide enhanced traction and durability for those seeking improved on-road and off-road capabilities.

The Posi Differential is an essential component of any vehicle's drivetrain, and this Orrigey set comes with several advantages. The gears in this set are made of high-strength steel, ensuring superior durability and resistance to wear and tear. The gear teeth are precision-cut and heat-treated to provide optimal tooth engagement and superior load capacity.

The Orrigey Posi Differential Gear Set also includes a set of ring and pinion gears. The ring gear is forged from billet steel and features a tooth profile that promotes efficient power transfer and minimizes heat generation. The pinion gear is precision-machined to ensure a perfect fit and optimal meshing with the ring gear.

Moreover, this gear set comes with a limited slip differential. The differential allows power to be distributed to both wheels when one wheel loses traction, reducing wheel slip and improving overall vehicle performance. The differential features a unique clutch design that provides a progressive locking action, allowing for smooth power transfer while maintaining optimal traction in various driving conditions.

The Orrigey ORR178916X01 Posi Differential Gear Set also includes new seals and bearing races, ensuring a proper seal and preventing leaks. The bearings are precision-machined to provide a perfect fit and minimize friction, resulting in smoother operation and longer lifespan.

Installing this gear set is a relatively straightforward process, with most Ford enthusiasts able to perform the upgrade themselves. The Orrigey Posi Differential Gear Set comes with detailed installation instructions and all necessary hardware, ensuring a hassle-free installation process.

In summary, the Orrigey ORR178916X01 Posi Differential Gear Set is a high-performance upgrade for the Ford 8.8 inch 31 spline rear end, suitable for various Ford models produced between 1986 and 2013. This gear set is designed to provide enhanced traction and durability, with high-strength steel gears, precision-cut teeth, and a limited slip differential. With easy installation and all necessary hardware included, this gear set is an excellent choice for those seeking improved vehicle performance.

Buying a posi differential gear set, such as the ORRIGEY ORR178916X01, for a 1986-2013 Ford 8.8 inch 31 spline axle can provide several benefits for your vehicle. Here are some potential pros and cons to consider:

1. Improved Traction: A posi differential distributes engine power evenly to both wheels on the same axle, resulting in better traction and stability, particularly during hard cornering or when accelerating.

2. Reduced Wheel Hop: A posi differential can help reduce wheel hop, which is the unwanted up-and-down movement of the wheels during acceleration. This can lead to a smoother ride and better performance.

3. Increased Durability: A posi differential gear set can be more durable than an open differential, as it does not allow the wheels to turn at different speeds during a turn. This can help reduce wear on the differential gears and other components.

1. Cost: A posi differential gear set can be more expensive than an open differential. The cost of the ORRIGEY ORR178916X01, for example, is significantly higher than the cost of an stock Ford 8.8 inch differential.

2. Weight: A posi differential gear set can add weight to your vehicle, which can affect fuel efficiency and handling. The additional weight can also put more stress on other components, such as the suspension and brakes.

3. Limited Flexibility: A posi differential does not allow the wheels to turn at different speeds during a turn, which can limit the vehicle's ability to adapt to different road conditions. This can make it less suitable for off-road driving or other situations where flexibility is important.

The decision to purchase a posi differential gear set for your 1986-2013 Ford 8.8 inch 31 spline axle depends on your specific needs and driving habits. If you prioritize improved traction and stability, and are willing to invest in a more durable and potentially more expensive component, then a posi differential may be a good choice for you. However, if you are concerned about cost, weight, or flexibility, then an open differential may be a better option. Ultimately, it's important to weigh the pros and cons carefully and consider consulting with a professional mechanic or performance specialist before making a decision.

If you are considering purchasing a posi differential gear set for your Ford 8.8 inch 31 spline axle, I would recommend doing thorough research and carefully considering the potential benefits and drawbacks. Additionally, I would recommend consulting with a professional mechanic or performance specialist to ensure that the posi differential is the best option for your specific vehicle and driving style. Finally, be sure to purchase the differential from a reputable supplier to ensure that it is of high quality and will meet your performance needs.

Details:

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specifications differentialsdepo:

• for makes: Ford
• for years: 1986–2013
• brand: Orrigey
• mpn: Orr178916x01
• manufacturer warranty: 5 Years
• fitment type: Direct Replacement
• shipped country: Us
• placement on vehicle: Rear
• bundle description: 1x Differential Spider Gear Kit
• material: Metal
• note2: 30 Days Free Return
• note1: For Ford 8.8, 11-14 F150 Only 31 Spline
• oe/oem part number: Zikkf8.8-t/l-31, Zikf8.8-t/l-31, F8.8cpk
• specification: For 1986-2013 Ford 8.8 Truck Rearend
• type: Differential Spider Gear Kit
• vintage part: Yes
• universal fitment: No

returns differentialsdepo:

• paid by: seller
• policy: returns accepted
• time: 30 days

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials, Assemblies > Additional

seller differentialsdepo:

• city: ontario, california
• # reviews: 3992
• rating: 98.9%

payments differentialsdepo:

• wallet: apple-pay
• credit card: diners-club
• other

shipping differentialsdepo:

• carrier: fedex
• service: fedex ground economy
• class: economy
• type: fixed
• transit: 3-7 days

offer differentialsdepo:

• quantity: 10
• availability: in stock
• options: ship-to-home
• started: november 17, 2025
• sold #: 17
• best offers: true