SPC Performance Specialty Shims Kit

Application: Any solid axle 2WD or 4WD vehicle, 2010–2025

Part #: 89199

Overview

The SPC Performance Specialty Shims Kit 89199 is an essential upgrade for enthusiasts looking to fine-tune their vehicle's alignment and handling characteristics. Designed specifically for solid axle vehicles, this kit allows you to adjust caster angles with precision, helping to improve steering response, stability, and tire wear. Whether you're restoring a classic, customizing a off-road rig, or optimizing your daily driver, these shims provide a reliable and straightforward solution to achieve the desired alignment specifications.

Built for both street and off-road applications, the SPC Shims Kit offers versatility and ease of installation. By adjusting caster positively or negatively from 1/2° up to 4°, you can tailor your vehicle's handling to your driving style and conditions. This kit is ideal for those seeking to enhance their vehicle's steering feel, improve cornering, or correct alignment issues caused by lift kits, suspension modifications, or wear over time.

Key Features

SPC Performance's Specialty Shims Kit 89199 is engineered with precision and durability in mind, offering a range of features that benefit both casual and serious drivers:

• Constructed from high-quality zinc-coated steel for corrosion resistance and long-lasting performance.
• Includes six shims, each measuring 3 inches in width with taper options from 1/2° to 2°, allowing for precise caster adjustments.
• Designed to fit any solid axle 2WD or 4WD vehicle, providing broad compatibility across various makes and models.
• Twice the coverage with a comprehensive set that reduces inventory needs and simplifies alignment adjustments.
• Easy to install with standard tools, making it accessible for both professional mechanics and DIY enthusiasts.
• Helps support improved steering response, stability, and tire wear by fine-tuning caster angles.
• Ideal for off-road vehicles, lifted trucks, or vehicles experiencing alignment shifts over time.
• Backed by SPC Performance's reputation for quality and precision engineering.

Construction & Design

The SPC Shims Kit 89199 features a robust design crafted from durable zinc-coated steel, ensuring resistance to corrosion and environmental elements. The shims are precisely machined to maintain consistent thickness and taper angles, providing accurate caster adjustments. Their compact 3-inch width allows for versatile placement within the suspension assembly, and the tapered design ensures a snug fit that maintains alignment integrity under demanding driving conditions. The kit's comprehensive set reduces the need for multiple part inventories, streamlining the alignment process and ensuring a reliable, long-lasting solution.

Performance & Benefits

By installing the SPC Performance Specialty Shims Kit, you can expect improved steering feel and vehicle stability, especially during spirited driving or off-road adventures. Adjusting caster positively enhances straight-line tracking and cornering response, while negative adjustments can help mitigate wandering or instability issues. The precise taper angles allow for fine-tuning, ensuring your vehicle maintains optimal alignment for your specific driving needs. The zinc coating not only prolongs the lifespan of the shims but also maintains their structural integrity over time, even in harsh conditions.

Installation & Fitment

The SPC Shims Kit 89199 is designed for straightforward installation with basic hand tools. No specialized equipment or extensive disassembly is required. Simply remove the existing components as needed, position the shims to achieve your desired caster angle, and reassemble. The kit's universal design makes it compatible with any solid axle 2WD or 4WD vehicle from 2010 to 2025, providing a versatile solution for a wide range of applications. Proper alignment should be verified with professional equipment or alignment racks after installation to ensure optimal performance.

• Easy bolt-on installation with standard tools
• No cutting, drilling, or complex modifications required
• Suitable for DIY enthusiasts and professional technicians alike

What's Included

• Six zinc-coated steel shims with taper options from 1/2° to 2°
• Installation instructions and mounting hardware

Ideal For

• Off-road enthusiasts seeking precise caster adjustments
• Owners of lifted or lowered vehicles needing alignment correction
• Drivers experiencing steering wandering or uneven tire wear
• Restoration projects requiring accurate alignment setup
• Performance-minded drivers aiming for improved handling and stability