SX-31CF NATIONAL Rear Outer Differential Pinion Race F85 Sx

Review NATIONAL Rear Outer Differential Pinion Race For Oldsmobile for OLDSMOBILE F85 SX 1964–1972

Introducing the National SX-31CF Rear Outer Differential Pinion Race for the 1964-1972 Oldsmobile F85, a high-performance upgrade for your classic vehicle's drivetrain. This race is meticulously engineered to deliver enhanced durability, improved strength, and increased reliability compared to the original factory part.

Manufactured from premium grade, heat-treated chrome molybdenum steel, this race boasts superior strength and rigidity. The material's high tensile strength and resistance to wear and tear make it an ideal choice for the demanding conditions of a differential. Furthermore, the heat treatment process ensures that the race remains strong even under high temperatures, ensuring consistent performance.

The SX-31CF race is designed as a direct replacement for the weak factory race, which often fails under heavy usage or high horsepower applications. By upgrading to this stronger race, you can expect increased durability and longevity, allowing you to enjoy your classic Oldsmobile F85 with added confidence.

Installation of this National SX-31CF Rear Outer Differential Pinion Race is straightforward, requiring no major modifications to your vehicle. The race is precision machined to exacting tolerances to ensure a perfect fit, minimizing the need for additional adjustments during installation.

In summary, the National SX-31CF Rear Outer Differential Pinion Race is an essential upgrade for any 1964-1972 Oldsmobile F85 owner looking to enhance their vehicle's performance, reliability, and durability. With its superior strength, rigidity, and heat resistance, this race is an investment in your classic vehicle's long-term health and enjoyment.

Buying a national SX-31CF rear outer differential pinion race for a 1964-1972 Oldsmobile F85 SX involves considering its potential benefits and drawbacks.

1. Improved Performance: A high-quality aftermarket differential pinion race can provide better performance by reducing power loss through the differential. It allows for smoother and more efficient power transfer from the transmission to the axle.

2. Durability: The SX-31CF race is designed to be more robust than the factory unit. It can handle increased power and torque, making it a great option for upgraded engines or those who frequently tow heavy loads.

3. Lower Maintenance: An aftermarket pinion race can reduce the need for regular maintenance, as it is designed to last longer than the stock part.

4. Better Gear Engagement: The SX-31CF race provides improved gear engagement, resulting in better traction and acceleration.

1. Cost: Aftermarket differential pinion races can be more expensive than stock parts. While they offer performance benefits, the cost may not be feasible for some enthusiasts.

2. Installation Complexity: Installing an aftermarket pinion race requires a fair amount of expertise and resources. It involves removing the differential cover, the pinion shaft, and other components.

3. Potential For Damage: Improper installation or use of the wrong parts can lead to damage to the differential or other components.

The decision to buy a national SX-31CF rear outer differential pinion race for a 1964-1972 Oldsmobile F85 SX depends on individual priorities and circumstances. If you value improved performance, durability, and lower maintenance, then the investment in a high-quality aftermarket pinion race may be worthwhile. However, consider the cost, installation complexity, and potential risks before making the purchase.

If you decide to proceed with the purchase, ensure that you source the part from a reputable supplier and follow the recommended installation procedure. Proper installation and the use of compatible parts will help ensure the longevity and effectiveness of the aftermarket pinion race.

Details:

National rear outer differential pinion race for 1964-1972 Oldsmobile F85 Sx: status: in stock.

specifications differentialsdepo:

• for models: F85, Sx
• for makes: Oldsmobile
• for years: 1964–1972
• brand: National
• mpn: Sx-31cf
• placement on vehicle: Driveline Axles Bearings
• type: Differential Pinion Race
• item length: 3.190
• manufacturer warranty: 1 Year
• ipn: C766 69-18
• compatible year: 1972 1971 1970 1969 1968 1967 1966 1965 1964
• core charge: Free No Core Charge
• position: Rear Outer
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine National Differential Pinion Race

payments differentialsdepo:

• other
• credit card: visa
• wallet: google-pay

seller differentialsdepo:

• city: indianapolis, indiana
• rating: 99.6%
• # reviews: 651123

general differentialsdepo:

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

offer differentialsdepo:

• in stock #: 1
• availability: in stock
• price: $15.37
• item condition: New
• options: ship-to-home
• sold #: 7
• started: april 29, 2026

returns differentialsdepo:

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

shipping differentialsdepo:

• transit: 2-6 days
• service: standard, expedited
• class: standard, expedited
• type: fixed