79SFW5 BFO Slip Differential Bolt Gm

Review BFO Limited-slip Differential Fits For 8.875 Inch Gm 12 Bolt 4-series Truck for GM 1961–1980

The BFO 79SF W5 Limited-Slip Differential is a high-performance upgrade for 1961 to 1980 GM 12-bolt 4-series rear ends. This differential is specifically designed to provide superior traction and improved handling for enthusiasts seeking to enhance the performance of their classic cars.

The heart of this differential is the W5 Limited-Slip unit, which utilizes a unique design featuring a gear-type locking mechanism. This mechanism engages progressively as wheel slip occurs, allowing power to be transferred to the wheel with the most traction. As a result, this limited-slip differential delivers exceptional grip in corners and during acceleration, ensuring that power is put to the ground effectively.

The BFO 79SF W5 Limited-Slip Differential also features a strong, durable housing made from high-quality steel. This housing is designed to withstand the rigors of high-performance driving, ensuring that your differential remains strong and reliable even under heavy use.

Additionally, this differential comes with an upgraded ring and pinion set, which provides improved power transmission and efficiency. The ring and pinion gears are precision machined for optimal fitment and function, ensuring that your car's power is transferred efficiently to the wheels.

This differential is also compatible with a range of gear ratios, allowing you to customize the performance of your classic car to suit your driving style and preferences. Whether you're looking for improved acceleration or improved top-end speed, the BFO 79SF W5 Limited-Slip Differential offers the flexibility to meet your needs.

In summary, the BFO 79SF W5 Limited-Slip Differential is an excellent upgrade for any 1961 to 1980 GM 12-bolt 4-series rear end. With its robust design, superior traction, and customizable gear ratios, this differential delivers the performance and handling enhancements that classic car enthusiasts demand. Whether you're cruising down the highway or pushing your car to the limit on the track, the BFO 79SF W5 Limited-Slip Differential is the ideal choice for those seeking to extract the maximum potential from their classic ride.

The BFO 79SF W5 Limited-Slip Differential is a popular aftermarket upgrade for the 8.8-inch GM 12-bolt rear end used in various applications including the 1961-1980 BMW 4-series. Here are some pros and cons that might help you decide if this differential is a good fit for your vehicle.

1. Improved Traction: A limited-slip differential sends power to both wheels on the same axle when one wheel loses traction, which results in better acceleration and handling in low-traction situations.

2. Durability: The BFO 79SF W5 differential is known for its robust design and high strength materials, which can handle high horsepower and torque applications.

3. Adjustability: The BFO 79SF W5 differential comes with adjustable preload and clutch pack settings, allowing you to fine-tune the differential for your specific driving style and application.

4. Compatibility: The BFO 79SF W5 differential is compatible with a wide range of BMW 4-series models and can be used with various transmission types.

1. Cost: The BFO 79SF W5 differential is a premium upgrade and can be quite expensive compared to other aftermarket differentials.

2. Installation Complexity: Installing a BFO 79SF W5 differential requires specialized tools and knowledge, making it a more involved installation process than some other upgrades.

3. Noise: Some users have reported increased noise levels from the differential, particularly during aggressive driving.

4. Weight: The BFO 79SF W5 differential is heavier than stock differentials, which can affect suspension geometry and handling in some cases.

The BFO 79SF W5 Limited-Slip Differential is a high-performance upgrade for the 8.8-inch GM 12-bolt rear end used in the 1961-1980 BMW 4-series. It offers improved traction, durability, adjustability, and compatibility, but comes with a higher cost, installation complexity, potential noise, and increased weight. Ultimately, the decision to purchase a BFO 79SF W5 differential depends on your specific driving needs, budget, and technical expertise. If you're looking for maximum performance and handling in your BMW 4-series, this differential is definitely worth considering. However, if you're on a tight budget or not comfortable with the installation process, there may be other aftermarket differential options that better suit your needs.

Details:

specifications differentialsdepo:

• for makes: Gm
• for years: 1961–1980
• brand: Bfo
• mpn: 79sfw5
• california prop 65 warning: California Prop 65 Warning
• differential type: Limited-slip
• feature: Direct Replacement
• items included: Bearing, Race
• manufacturer warranty: 2 Year
• mounting hardware included: No
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part.
• oe/oem part number: 19554-010, Gm12t-30-342, Gm8.87512t-30, Gm12t-30-373
• placement on vehicle: Rear
• size: 8.875 30 Spline 12-bolt
• spline count: 30 Spline
• surface finish: Brand New
• type: Limited-slip Posi Differential

seller differentialsdepo:

• # reviews: 18788
• city: elk grove village, illinois
• rating: 99.1%

offer differentialsdepo:

• sold #: 15
• availability: in stock
• price: $181.04
• item condition: New
• best offers: true
• started: august 11, 2025
• options: ship-to-home
• in stock #: 1

returns differentialsdepo:

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

payments differentialsdepo:

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

shipping differentialsdepo:

• transit: 3-7 days
• carrier: ups
• class: standard
• service: ups ground
• type: fixed

general differentialsdepo:

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