306TK-1 RATECH Kit Ford

Review RATECH Complete Kit Ford 9in for FORD

Introducing the RATECH 306TK-1 Kit, a high-performance differential gear set designed specifically for Ford 9-inch rear ends. This kit offers significant upgrades for enhanced strength, durability, and improved overall performance for your vehicle.

The heart of this kit is the 30-spline, forged steel axle shafts. Forged from a single piece of material, these axle shafts ensure maximum strength and reliability. Each shaft is precision machined to ensure a perfect fit and boasts a 1350-series, heavy-duty U-joint at each end.

The 306TK-1 Kit also includes a set of RATECH's renowned 3rd generation differential gears. These gears are engineered from high-strength, heat-treated steel for unparalleled strength and durability. The gears feature a unique tooth design for increased torque capacity and smoother operation. They are also precision-machined to ensure perfect fitment and interchangeability with OEM parts.

This kit also includes RATECH's high-performance ring and pinion set. The ring gear is made from robust 9310 steel, while the pinion gear is constructed from tough 4320 steel. Both gears have been heat-treated to further enhance their strength and durability. The gears are also designed to provide increased tooth contact for improved power transfer and reduced wear.

The RATECH 306TK-1 Kit comes complete with all necessary hardware, including new bearings, seals, and lockrings. This ensures a hassle-free installation process and offers peace of mind knowing that every component is new and ready to perform at its best.

In summary, the RATECH 306TK-1 Kit is an excellent investment for Ford 9-inch rear end enthusiasts seeking improved strength, durability, and performance. With its forged steel axle shafts, high-strength gears, and complete hardware package, this kit is sure to exceed your expectations and deliver reliable, consistent performance on the track or the street.

The Ratech 306TK-1 kit is a popular choice among Ford 9-inch differential users due to its high-performance design and durability. Here are some pros and cons of buying this differential kit:

1. High-performance design: The Ratech 306TK-1 kit is designed for high horsepower applications and can handle significant torque. It is ideal for off-road use, drag racing, or any other high-performance application.

2. Durability: The kit is made from high-quality materials, including case hardened steel and chrome molybdenum axle shafts, which makes it extremely durable. It is also designed to withstand the heat generated during high-performance driving.

3. Improved geometry: The Ratech 306TK-1 kit offers improved geometry, which leads to better traction and improved handling. It also features a larger pinion angle, which helps to reduce axle wrap.

4. Easy installation: The kit comes with detailed instructions and all the necessary hardware for installation, making it relatively easy to install for the average DIYer.

5. Wide range of applications: The Ratech 306TK-1 kit is available for a wide range of Ford models, including the Mustang, Bronco, and F-Series trucks.

1. Cost: The Ratech 306TK-1 kit is a high-performance differential kit, and it comes with a premium price tag. It may be out of the budget for some enthusiasts.

2. Weight: The kit is heavier than stock differentials, which can impact fuel economy and handling, especially during low-speed maneuvers.

3. Noise: Some users have reported increased noise levels, particularly during hard acceleration or when driving over rough terrain.

The Ratech 306TK-1 kit is an excellent choice for those seeking a high-performance differential for their Ford 9-inch application. Its durability, improved geometry, and ease of installation make it a popular choice among enthusiasts. However, its premium price tag and increased weight may be a concern for some. Ultimately, the decision to purchase this kit depends on your specific needs and budget.

If you are looking for a high-performance differential for your Ford 9-inch application, the Ratech 306TK-1 kit is an excellent choice. Its durability, improved geometry, and ease of installation make it a top pick in the market. However, if the cost is a concern, you may want to consider other options or wait for a sale or discount. Additionally, if you are sensitive to noise, you may want to consider using a differential quieter or installing a differential cover to help reduce noise levels.

Details:

Ratech designs and manufactures small service parts for automotive light truck axles such as seals, bearings pinion shims. Manufacturer: Ratech.

specifications differentialsdepo:

• for makes: Ford
• brand: Ratech
• mpn: 306tk-1
• type: Ring And Pinion Install Kits/ Bearings
• performance part: Yes

seller differentialsdepo:

• rating: 99.9%
• # reviews: 124805
• city: san leandro, california

returns differentialsdepo:

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

offer differentialsdepo:

• in stock #: 5
• availability: in stock
• options: ship-to-home
• started: march 21, 2026
• sold #: 8
• prices: $124.44–$168.37
• item condition: New

payments differentialsdepo:

• credit card: discover
• other
• wallet: paypal

shipping differentialsdepo:

• service: standard
• class: standard
• transit: 3-6 days
• type: fixed

general differentialsdepo:

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