SPECIALTY PRODUCTS 891-4 Caster Axle Shims Caster/axle 3-1/2

( Brand: Specialty Products ), ( Manufacturer Part Number: 891-4 ), ( Part Type: Axle )

Review SPECIALTY PRODUCTS Caster/axle Shims Inch 3-1/2 1/2 Degree fits 2WD 4WD

Introducing our high-performance Caster/Axle Shims designed specifically for 891-4 2WD and 4WD vehicles. These shims are an essential upgrade for any off-road enthusiast or professional racer seeking optimal vehicle handling and improved wheel alignment.

Crafted from premium quality materials, these shims are engineered to provide enhanced caster geometry, ensuring a smoother and more stable driving experience. The 3-1/2 inch length and 1/2 inch thickness make them a perfect fit for the specified 891-4 models, whether you're running 2WD or 4WD.

Our shims are meticulously manufactured to ensure precision and accuracy, ensuring a perfect fit and easy installation. They are designed to address common issues related to caster geometry, such as excessive tire wear, steering instability, and poor vehicle tracking.

Installing these shims is a straightforward process that can be completed in a short amount of time. Simply remove the existing shims, clean the mounting surfaces, apply the appropriate lubricant, and install the new shims in their place.

These shims are an investment in the longevity and performance of your 891-4 vehicle. By improving the caster geometry, you'll experience better vehicle stability, improved steering response, and a more enjoyable driving experience.

In summary, our 891-4 2WD and 4WD Caster/Axle Shims are a must-have upgrade for any off-road enthusiast or professional racer seeking optimal vehicle handling and improved wheel alignment. Made from premium quality materials and engineered for precision and accuracy, these shims are an investment in the long-term performance and enjoyment of your 891-4 vehicle.

Pros and Cons of Buying Caster/Axle Shims for a 2WD or 4WD Differential (Model 891-4, 3-1/2 inch, 1/2 inch)

Caster/axle shims are essential components in differentials, and they play a significant role in maintaining the proper alignment and function of the differential. These shims are available in various sizes, and this discussion focuses on the model 891-4, 3-1/2 inch, 1/2 inch shims, suitable for both 2WD and 4WD vehicles.

1. Proper alignment: Caster/axle shims help maintain the correct differential alignment, ensuring optimal performance and longevity of the differential and other suspension components.

2. Improved handling: Proper alignment leads to improved handling and stability, making your vehicle safer and more enjoyable to drive.

3. Wear reduction: By ensuring the correct differential alignment, caster/axle shims help reduce wear on other suspension components and the differential itself.

1. Cost: Replacing caster/axle shims can be an expensive proposition, especially when considering the cost of labor and the price of the shims themselves.

2. Time-consuming: Installing caster/axle shims can be a time-consuming process, requiring the differential to be removed from the vehicle for access.

3. Complexity: The installation process of caster/axle shims can be complex, and mistakes can lead to improper alignment or damage to the differential.

Buying caster/axle shims for your 2WD or 4WD vehicle can have significant benefits in terms of improved handling, proper alignment, and wear reduction. However, the cost and time-consuming installation process can be drawbacks. It is essential to weigh these pros and cons carefully and consider the long-term benefits before deciding to purchase and install these shims.

If you notice symptoms of improper differential alignment, such as excessive tire wear, vibrations, or poor handling, it may be worth the investment to purchase and install caster/axle shims. To ensure a successful installation, consider having the work done by a professional mechanic to minimize the risks of errors and potential damage to the differential.

Details:

Rubber parts, gaskets, hardware may need to be replaced and not usable. YOU ARE GETTING ONLY 4 AS SHOWN IN THE PHOTOS. Shipping:: Free Shipping is for continental USA only. ONCE Purchased YOU OWN IT.

89199 - 3-1/2 4 1/2 for 2WD or 4WD vehicle. Be sure the part you are buying is correct for your application. If any manufacturer warranty exists, it is between you and them. Or any other minor issue that does not make the part you are buying DEFECTIVE.

There may be minor corrosion, scuffs, torn or missing boxes, scratches from storage, etc. Specialty Products part number 891-4. Set of 4 pieces. None of which makes the part Defective.

Sometimes the fitment is so old that it does not take into account trim, engine size or build dates.

part #: 8914 price

• $44.99

specifications camberkitie:

• for models: 2wd, 4wd
• brand: Specialty Products
• mpn: 891-4
• part type: Axle

offer camberkitie:

• sold: 0
• started: July 29, 2025
• options: Ship-to-home
• quantity: 1
• availability: In Stock

returns camberkitie:

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

seller camberkitie:

• city: Houston, Texas
• # reviews: 239595
• rating: 99.3%

shipping camberkitie:

• service: USPS Priority Mail
• transit: 4-10 Days
• type: Fixed
• cost: $0.00
• carrier: USPS
• class: Expedited

payments camberkitie:

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

general camberkitie:

• condition: New other see details
• Car Truck Parts Accessories > Steering Suspension > Camber Caster Parts

Specialty Products 891-4 Is Similar To:

• 082642660507 Specialty Products Dodge Rear Camber Bushing (45.9% similar) Item is in excellent condition and it comes with all essential accessories. Features this kit combines our previous four kits into one - allowing adjustment of rear camber on the Chrysler LX platform cars regardless model year and complication that used 2 different bushing sizes over years. This ...(September 17th, 2018)
• 10422 Specialty Products New Spc Aluminum Truck Axle Shims Pack (45.4% similar) From street to race, SPCA has an application get you in line. Note: on all shims - if you are using z blocks or other axle spacers need to spread the load prevent shim from crushing. With average compression strength and hardness these shims are available in a large variety of sizes offer the ...(August 30th, 2018)
• 10432 Specialty Products New Spc Aluminum Truck Axle Shims Pack (45.4% similar) Fitment information may not be available for all Products and those without will have a link at the top. About the manufacture about manufacturer SPCA designs and manufactures control arms, ball joints, shims as well tools for many popular alignment applications. With average compression strength ...(August 29th, 2018)
• 10434 Specialty Products Alignment Shim (44.4% similar) Our radiators and condensers meet or exceed OE specifications. Notice: all photos and are WHO an company. Any questions. These type parts can be irreparably damaged if installed before the vehicles underlying problem is properly diagnosed. Non-returnable parts certain types of are not returnable, ...(May 13th, 2017)
• 10452 Specialty Products New Spc Aluminum Truck Axle Shims Pack (45.4% similar) Note: on all shims - if you are using z blocks or other axle spacers need to spread the load prevent shim from crushing. Please the link to ensure proper fitment. Mission Specialty Products company excels as the market leader, premier designer and manufacturer of profitable world class automotive. ...(August 30th, 2018)
• 10505 Specialty Products Aluminum Alloy Truck Axle Shims Set Of (46.8% similar) 5 degree free shipping is for continental USA only. No matter what says. Once purchased you own it. There may be minor corrosion, scuffs, torn or missing boxes, scratches from storage, etc. Shipping:free shipping is for continental USA only. Please through for any questions. Be sure the part you are...(January 21st, 2019)
• 10542 Specialty Products Alignment Shim (44.4% similar) All Products are covered by manufacturers warranty. Listing data is catalog provider. 24X7 online...(September 5th, 2017)
• 10598 Specialty Products New Spc Wide Hd Axle Support Plates Set (42.3% similar) Mission Specialty Products company excels as the market leader, premier designer and manufacturer of profitable world class automotive. The HD wedge spacer plate can also be used to dial in ride height from side. You get what see. Item details spread the load. About the manufacture about ...(August 30th, 2018)
• 10698 Specialty Products New Spc Wide Hd Axle Spacer Plates Set (42.6% similar) You get what see. Specialty Products features three product lines that cover a variety of vehicle suspension needs, from traditional automotive alignment and heavy duty truck applications, to cutting edge off-road systems, along with sport compact rod race tuning solutions. The HD wedge spacer plate...(August 30th, 2018)
• 10705 Specialty Products Aluminum Truck Axle Shims Set Of (47.4% similar) Sometimes the fitment is so old that it does not take into account trim, engine size or build dates. If any manufacturer warranty exists, it is between you and them. None of which makes the part defective. No matter what says. Please through for any questions. There may be minor corrosion, scuffs, ...(January 21st, 2019)
• 10712 Specialty Products Alignment Shim (44.4% similar) ...(February 1st, 2019)