YUKON GEAR AND AXLE UR657030 Rear Lh Rh Bolt Lug Spline Lh/rh 31-3/8

( Brand: Yukon Gear And Axle ), ( Manufacturer Part Number: UR657030 ), ( Part Type: Bolt )

Review YUKON GEAR AND AXLE Full Size Lh/rh Bolt 31-3/8 Inch Long Lug 30 Spline Rear fits IMPALA 1965-70–2012

Introducing the Yukon Gear & Axle UR657030 axle assembly, specifically designed for the rear application of 1965-1970 Impala models with a 12-bolt rear end, 31.375-inch lug width, and 30-spline drive shaft. This axle is an excellent choice for those seeking superior strength and durability for their classic Impala.

The UR657030 axle assembly is manufactured using high-quality materials, ensuring a robust and reliable performance. It is engineered to replace the worn-out or damaged original equipment, providing a significant improvement in terms of load capacity and resistance to wear and tear.

The axle features a 30-spline design, which is an upgrade from the standard 28-spline axles found in most Impalas of this era. The increased number of splines results in a stronger connection between the differential and the drive shaft, translating to better torque transfer and enhanced power delivery.

The UR657030 axle assembly comes with new axle shafts and a new pinion yoke. These components are machined to exacting tolerances, ensuring a precise fit and proper function. The axle shafts are also heat-treated for added strength, while the pinion yoke is designed to better support the differential, reducing the possibility of deflection under heavy loads.

When it comes to installation, the Yukon Gear & Axle UR657030 axle assembly is designed to be a direct replacement for the factory unit. The new axle is compatible with all factory suspension components and the factory driveshaft. However, it is essential to follow the recommended installation procedures to ensure proper alignment and function.

In summary, the Yukon Gear & Axle UR657030 axle assembly is an excellent investment for those seeking improved performance, strength, and durability for their 1965-1970 Impala. With its 30-spline design, high-quality materials, and direct fitment, this axle is sure to provide reliable service for years to come.

Buying Yukon Gear Axle UR657030 for 1965-70 Impala: Pros, Cons, and Conclusion

The Yukon Gear Axle UR657030 is a popular choice among car enthusiasts restoring or upgrading 1965-70 Impalas with 12-bolt 31-spline rear ends. This axle assembly comes with left and right hand versions, featuring 30 splines and a 31.375" lug dimension. In this text, we will discuss the pros, cons, and an unbiased conclusion to help you make an informed decision about purchasing this axle.

1. Improved Performance: The Yukon Gear Axle UR657030 is engineered to provide superior performance and durability compared to the original axle. It is designed to handle increased torque and power, making it suitable for high-performance applications.

2. Enhanced Gear Ratio Options: The Yukon axle offers various gear ratio options, allowing you to customize your vehicle's acceleration and top speed. This flexibility is a significant advantage for those looking to fine-tune their Impala's performance.

3. High-Quality Materials: Yukon uses high-strength steel for its axle components, ensuring that they can withstand the rigors of high-performance use. The gears are made of precision-forged steel, and the bearings are of the highest quality.

4. Easy Installation: The Yukon Gear Axle UR657030 is designed to be a direct bolt-on replacement for the factory unit, making installation relatively straightforward. This saves time and money, as you don't have to spend hours modifying the axle housing or fabricating new components.

1. Cost: The Yukon Gear Axle UR657030 is more expensive than the factory unit. This might be a concern for those on a tight budget. However, considering the performance and durability improvements, it could be considered a worthwhile investment.

2. Weight: The Yukon axle is heavier than the factory unit due to the use of high-strength steel and other performance-enhancing components. This might impact fuel economy and handling, but the benefits generally outweigh the drawbacks for most users.

The Yukon Gear Axle UR657030 offers significant improvements in performance, durability, and flexibility, making it an attractive choice for those restoring or upgrading their 1965-70 Impalas. While it comes with a higher price tag and added weight, the benefits typically outweigh the cons. If you're looking for a reliable, high-performance axle assembly for your Impala, the Yukon Gear Axle UR657030 is a solid recommendation.

Details:

1965-70 Impala / Full Size LH/RH 12 Bolt 31-3/8 Long 5 Lug 30 Spline Rear Axle: This rear Axle is built to stand up the demands of high-performance applications.Made from 1541H steel this contains significantly more manganese than 1040 or 1050 versions. This greatly increases strength And durability with UT being a whole lot more expensive results in an Axle shaft that is approximately 20 to 25 percent stronger than OEM unit. Sold individually. Fits left or right hand side.

specifications axlpar:

• for models: Impala
• for years: 1965-70-2012
• brand: Yukon Gear And Axle
• mpn: Ur657030
• part type: Bolt

offer axlpar:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: January 9, 2026
• sold: 0

returns axlpar:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

general axlpar:

• Car Truck Parts Accessories > Transmission Drivetrain > Axle Housings Parts
• condition: New

shipping axlpar:

• type: Calculated
• transit: 4-7 Days
• carrier: UPS, FedEx
• cost: $35.59
• class: StAndard, Expedited
• service: UPS Ground, UPS 2nd Day Air, FedEx Ground / FedEx Home Delivery

seller axlpar:

• city: Huntington Beach, California
• # reviews: 39003
• rating: 99.6%

payments axlpar:

• other
• credit card: Visa
• wallet: Paypal

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