YUKON GEAR AND AXLE MM3055 Rear Body End Spline Shaft 8-3/4

( Brand: Yukon Gear And Axle ), ( Manufacturer Part Number: MM3055 ), ( Part Type: Shaft )

Review YUKON GEAR AND AXLE Axlemm 3055 Mopar E body 8-3/4 Inch Rear End 30 Spline Shaft fits 1970-74

The Yukon Gear & Axle MM3055 axle is specifically designed for the 1970-1974 Mopar E-body vehicles, including the Dodge Charger, Plymouth Barracuda, and Plymouth Duster. This axle is engineered to replace the 8-3/4 inch rear end with a 30 spline shaft.

The MM3055 axle is constructed using premium materials to ensure durability and strength. It features a forged 300M alloy steel shaft, which is known for its superior tensile strength and resistance to bending and twisting. The shaft is also chrome molybdenum treated for added strength and toughness.

The axle comes with new seals and bearings, ensuring a proper fit and smooth operation. The seals are designed to keep out contaminants, while the bearings are engineered for long-lasting performance. The axle also includes new pinion and U-joints, ensuring a precise and reliable connection between the shaft and the differential.

This axle is also designed to work with the factory 2.73:1 gear ratio, making it an ideal choice for those seeking to restore their classic Mopar E-body vehicle to its original condition. However, it can also be used with aftermarket gears for those seeking to modify their vehicle for improved performance.

In summary, the Yukon Gear & Axle MM3055 is a high-quality replacement axle for the 1970-1974 Mopar E-body vehicles, designed to fit the 8-3/4 inch rear end with a 30 spline shaft. It is constructed using premium materials, including a forged 300M alloy steel shaft, and comes with new seals, bearings, pinion, and U-joints for a proper fit and smooth operation. It is an excellent choice for those seeking to restore their classic Mopar E-body vehicle or modify it for improved performance.

Pros and Cons of Buying Yukon Gear Axle MM3055 for 1970-74 Mopar E-Body Rear End

The Yukon Gear Axle MM3055 is a popular aftermarket option for those looking to upgrade their 1970-74 Mopar E-Body rear end with a stronger 30 spline shaft. In this analysis, we will discuss the advantages and disadvantages of purchasing this axle.

1. Increased Strength: The primary benefit of the Yukon MM3055 axle is its increased strength. With a 30 spline design, it can handle more torque and power than the original 28 spline axle, making it an excellent choice for high-performance applications.

2. Improved Durability: The MM3055 axle is known for its durability. Its heavy-duty construction and reinforced design make it less susceptible to bending, breaking, or failure. This can save you money in the long run by reducing the need for frequent repairs.

3. Enhanced Performance: The increased strength and durability of the MM3055 axle contribute to improved performance. It can better handle power upgrades, such as larger engines or more significant tire sizes, allowing you to get the most out of your vehicle.

1. Cost: One of the primary disadvantages of the Yukon MM3055 axle is its cost. Compared to the OEM axle, the aftermarket option is more expensive. This may not be a concern for enthusiasts looking for high-performance upgrades, but for those on a budget, it could be a significant factor.

2. Installation Complexity: Installing the Yukon MM3055 axle can be more complex than swapping out the OEM axle. It may require additional modifications to the vehicle, such as adjusting the driveshaft length or repositioning the brake drums. This could add to the overall installation cost and time.

3. Weight: The Yukon MM3055 axle is heavier than the OEM axle due to its stronger design. While this increased weight may enhance performance, it can also have a negative impact on fuel economy and overall vehicle handling.

The Yukon Gear Axle MM3055 offers several advantages for those looking to upgrade their 1970-74 Mopar E-Body rear end, including increased strength, improved durability, and enhanced performance. However, it also comes with some disadvantages, such as a higher cost, installation complexity, and added weight.

When deciding whether to purchase the Yukon MM3055 axle, it is essential to weigh the pros and cons based on your specific needs and budget. If you are seeking high-performance upgrades and are willing to invest in a more robust and durable axle, the MM3055 may be the right choice for you. On the other hand, if you are on a tight budget or prefer a more straightforward installation, you may want to consider alternative options.

Based on the information provided, I would recommend the Yukon Gear Axle MM3055 for those seeking a substantial upgrade to their 1970-74 Mopar E-Body rear end. Its increased strength, improved durability, and enhanced performance make it an attractive option for performance enthusiasts and heavy-duty applications. Just be aware of the added cost, installation complexity, and weight before making your decision.

Details:

Yukon Axles are made from 1541H alloy And deeply heat-treated to be 20-25% stronger than OEM 1040/1050 steel Axles.The Axle features rolled splines which offer a 30% strength increase over cut Axles.Important: Must use with Green bearings sold separately .Apple cations:1970-74 Barracuda rear drum brakes1970-74 Challenger Cuds brakes. 1970-74 Mopar E-Body With 8-3/4 Rear End 30 Spline Axle Shaft 5 X 4-1/2 Bolt Pattern: This is a high strength Axle shaft for muscle cars equipped with an rear end.

part #: mm3055 price

• $282.99

specifications axlpar:

• for makes: Mopar
• for years: 1970-74
• brand: Yukon Gear And Axle
• mpn: Mm3055
• part type: Shaft

payments axlpar:

• wallet: Paypal
• credit card: Diners-club
• other

returns axlpar:

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

seller axlpar:

• city: Huntington Beach, California
• rating: 99.0%
• # reviews: 20708

shipping axlpar:

• cost: $35.87
• service: UPS Ground, UPS 2nd Day Air, FedEx Ground / FedEx Home Delivery
• carrier: UPS, FedEx
• type: Calculated
• transit: 5-10 Days
• class: StAndard, Expedited

general axlpar:

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

offer axlpar:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 2
• started: August 31, 2025

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