90-6703 PRO COMP Rear Leaf Axle Pinion Angle Shim Kit F-150

Review PRO COMP Rear Leaf Axle Pinion Angle Shim Kit For Ford for FORD F150 F-150 4X4 2004–2020

Introducing the PRO COMP 90-6703 rear leaf axle pinion angle shim kit, specifically designed for 2004 to 2020 Ford F-150 4x4 models. This kit is an essential addition to your vehicle's maintenance toolbox, ensuring optimal performance and longevity of the rear axle.

The PRO COMP 90-6703 kit includes a comprehensive collection of high-quality shims, which serve to correct pinion angle issues in the rear axle assembly. Over time, these angles can shift due to various factors, such as normal wear and tear, towing, or heavy loads. When this happens, it can lead to premature wear on critical components, including the pinion seal, bearings, and cv joints.

This shim kit addresses these concerns by providing you with the precise shims needed to restore the correct pinion angle. Each shim is manufactured from durable, heat-treated steel for superior strength and durability. They come in various thicknesses to accommodate different degrees of angle correction, ensuring an accurate fit and efficient operation.

Installing the shims is a straightforward process, made even more accessible by the detailed instructions included in the package. These instructions provide clear, step-by-step guidance to help you complete the installation with confidence. Additionally, the kit comes with all necessary hardware, making it a one-stop solution for your rear axle pinion angle correction needs.

By addressing pinion angle issues, the PRO COMP 90-6703 rear leaf axle pinion angle shim kit not only extends the life of your axle components but also improves overall vehicle performance. It allows for smoother operation, better fuel efficiency, and reduced vibration, resulting in a more enjoyable driving experience.

In summary, the PRO COMP 90-6703 rear leaf axle pinion angle shim kit is a valuable investment for any Ford F-150 4x4 owner, offering precise correction for pinion angle issues, superior strength and durability, straightforward installation, and enhanced vehicle performance.

Pro Comp 90-6703 Rear Leaf Axle Pinion Angle Shim Kit for 2004-2020 Ford F-150 4x4: A Detailed Analysis

The Pro Comp 90-6703 Rear Leaf Axle Pinion Angle Shim Kit is designed for Ford F-150 4x4 models from 2004 to 2020. This kit aims to address pinion angle issues in these vehicles, leading to improved performance and durability. In this analysis, we will discuss the potential benefits and drawbacks of investing in this product.

1. Enhanced Vehicle Performance: Properly aligning the pinion angle can lead to improved vehicle performance. This includes better fuel efficiency, increased power output, and smoother operation of the drivetrain.

2. Elimination of Vibration: Misaligned pinion angles can cause excessive vibration, particularly noticeable during acceleration and deceleration. The 90-6703 kit aims to address this issue, leading to a more comfortable driving experience.

3. Increased Durability: By ensuring the pinion angle is correctly aligned, the drivetrain components are subjected to even loading. This can lead to increased component life and reduced wear and tear.

4. Improved Gear Engagement: Properly aligned pinion angles result in better gear engagement, which can lead to smoother shifting and improved overall performance.

1. Cost: The Pro Comp 90-6703 Rear Leaf Axle Pinion Angle Shim Kit is not an inexpensive solution. The cost of the kit may deter some potential buyers, particularly those on a tight budget.

2. Installation Complexity: Installing the shim kit requires a certain level of mechanical aptitude. While not overly complex, the installation process may be daunting for some DIY enthusiasts.

3. Potential for Damage: Improper installation of the shim kit could lead to damage to the drivetrain components. This highlights the importance of following the installation instructions carefully and accurately.

The Pro Comp 90-6703 Rear Leaf Axle Pinion Angle Shim Kit offers several benefits for Ford F-150 4x4 owners, including improved vehicle performance, elimination of vibration, increased durability, and better gear engagement. However, the high cost, installation complexity, and potential for damage are significant drawbacks.

If you are experiencing vibration issues, misaligned pinion angles, or are seeking to improve overall drivetrain performance, the Pro Comp 90-6703 Rear Leaf Axle Pinion Angle Shim Kit may be a worthwhile investment. However, it is essential to carefully consider the cost and installation complexity before making a purchase. Additionally, ensure that the installation is carried out by a qualified professional to minimize the risk of damages.

Details:

Specifications: Pro Comp. F-150 2004 -2020 4X4. You can use 1 or 2 shims on each leaf spring for a total max lift of 1/2 if desired. Each shim measures 1/4.

Part # 90-6703. Fitment guide.

specifications liftkitsparts:

• for models: F150, F-150, 4x4
• for makes: Ford
• for years: 2004–2020
• brand: Pro Comp
• mpn: 90-6703
• part type: Pinion Angle Axle
• warranty: 60 Day
• included hardware: Mounting Hardware
• fitment type: Direct Replacement
• lift height: 1/4-1/2
• placement on vehicle: Rear
• performance part: Yes

offer liftkitsparts:

• started: september 25, 2025
• price: $32.99
• item condition: New other (see details)
• in stock #: 1
• sold #: 14
• options: ship-to-home
• availability: in stock

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• city: north branch, minnesota
• rating: 99.2%
• # reviews: 3800

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• other
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• transit: 2-5 days
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• class: standard
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returns liftkitsparts:

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

general liftkitsparts:

• category: Auto Parts > Chassis, Suspension Brakes > Lift Kits