Best Rear Axle Alignment Shims

Looking for the best rear axle alignment shims? We’ve tested and compared top products to help you find the perfect match for your vehicle, offering a smooth and safe ride with improved handling and reduced vibrations.

Rear axle alignment shims are essential for a smooth and safe ride. They fix driveline angles, reduce vibrations, and improve handling. Whether you’re upgrading your truck or fixing alignment issues, the right shim makes all the difference.

Choosing the best rear axle alignment shim can feel overwhelming, but we’ve got you covered. From durable billet aluminum to tough steel options, we’ve tested and compared top products. Our guide highlights key features, compatibility, and ease of installation to help you decide.

Ready to transform your ride? Let’s dive into the top picks for rear axle alignment shims and find the perfect match for your vehicle.

List of Top 10 Rear Axle Alignment Shims

Title	Best For	Price
Rear Axle Shim, 4-Degree Billet Aluminum Pinion Angle Shim, Corrects Driveline Angle, 2.25″ x 5.8125″ Dimensions, Sold in Pairs, Compatible with 1960-72 Chevy Pickup C10/C20	This Rear Axle Shim is perfect for Chevy truck owners who want to fix driveline vibration. It’s ideal for 1960–1972 C10/C20 pickups with lowering blocks or dropped springs.	View on Amazon (paid link)
4° 2″ Wide Steel Suspension Axle Leaf Spring Shims, 2 Pcs Pinion Angle Shims, Black	This product is perfect for anyone who wants a smoother, more stable ride. Whether you’re driving on rough roads or tackling off-road adventures, these durable steel shims will help reduce vibration and improve your vehicle’s performance.	View on Amazon (paid link)
Speedway Motors Billet Aluminum Rear Axle Shim, 2 Degree Pinion Angle Correction, 2-1/4-Inch-Wide x 5-13/16 Inch Long, Helps Eliminate Driveline Vibration, Sold as Pair	This Speedway Motors Billet Aluminum Rear Axle Shim is perfect for owners of 1960–1972 C10 and C20 pickup trucks who want to reduce driveline vibration after making suspension changes. It’s also great for those looking for a lightweight, durable solution to correct pinion angle and improve rear axle alignment.	View on Amazon (paid link)
Auto Alignment Body Shims Assortment Kit 1/16″ 1/64″ 1/32″ 1/8″ (144 Pieces) BUSY-CORNER	This Auto Alignment Body Shims Assortment Kit is perfect for car enthusiasts and mechanics who need to adjust body parts or wheel alignment. It’s ideal for anyone working on front or rear wheels, offering easy access to the right shim size for quick repairs.	View on Amazon (paid link)
eoere 4 PCS Universal 2 Degree Pinion Angle Metal Axle Shims, 2-5/8″ Tapered Leaf Spring Suspension Wedges for Rear Axle	This product is perfect for truck owners who want to reduce rear driveline vibration and correct pinion angle or caster. It’s ideal for those with tapered leaf spring suspensions needing a simple, effective solution.	View on Amazon (paid link)
YDLMT Silver Motorcycle 3/4″ inch Rear Wheel Axle Bearing Spacer Shim Kits Fit for Harley Touring Dyna Sportster XL Softail Big Twin 1983-Up	This shim kit is perfect for Harley owners who need a reliable and durable solution for their rear axle. It’s easy to install and fits most Harley models from 1983-Up, making it ideal for DIY repairs.	View on Amazon (paid link)
ISPINNER 48pcs Auto Alignment Body Shim Assortment Kit, 1/64″ 1/32″ 1/16″ 1/8″ Universal Shims for Adjusting Body Parts or Camber Alignment	This ISPINNER Auto Alignment Body Shim Assortment Kit is perfect for car enthusiasts, mechanics, and DIYers who need to adjust body parts or align wheels. It’s ideal for anyone working on vehicles, machines, or leveling projects.	View on Amazon (paid link)
Yukon Gear & Axle SK D44JL-PINION Solid Spacers, Shims & Shim Kits	This Yukon Gear & Axle SK D44JL-PINION Solid Spacers, Shims & Shim Kits is perfect for anyone with a Dana 44 JL-R. It’s ideal for those who want top-quality parts that fit just right.	View on Amazon (paid link)
JEGS Rear Axle Wedge Kit \| 2 Degree Shims \| Fits 2in.Wide Leaf Springs \| 2in.Wide x 5in.Long \| Aluminum \| 2 Per Package	This JEGS Rear Axle Wedge Kit is perfect for car enthusiasts who want to fine-tune their vehicle’s performance. It’s ideal for those with leaf springs, helping adjust pinion angle or traction bar angle easily.	View on Amazon (paid link)
Dorman AK901540 Rear Alignment Shim Compatible with Select Chevrolet Models	This Dorman AK901540 Rear Alignment Shim is perfect for Chevrolet owners who need a reliable, direct replacement for their vehicle’s alignment shim. It’s easy to install and built to last, ensuring your car stays aligned and performs well.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 Rear Axle Alignment Shims carefully selected for performance, durability, and value. Each product is expert-reviewed and backed by customer feedback, ensuring you find the perfect fit for your vehicle. Whether you need smooth handling or affordable solutions, this guide has you covered. Dive in to find the best shim for your ride and drive with confidence.

1. Rear Axle Shim, 4-Degree Billet Aluminum Pinion Angle Shim, Corrects Driveline Angle, 2.25″ x 5.8125″ Dimensions, Sold in Pairs, Compatible with 1960-72 Chevy Pickup C10/C20

Fix your truck’s driveline angle with this rear axle shim. Designed for 1960–1972 Chevy C10/C20 pickups, it ensures perfect alignment.

Corrects pinion angle by 4 degrees, reducing driveline vibration. Made from durable billet aluminum, it’s lightweight yet strong. Measures 2.25″ x 5.8125″ for a precise fit.

Sold in pairs for balanced suspension correction. Easy to install on both sides of your truck. Long-lasting performance for smooth driving.

Pros	Cons
Corrects driveline angle, reducing vibration for a smoother ride. Durable billet aluminum ensures long-lasting performance. Precision-fit for 1960–1972 Chevy C10/C20 trucks. Sold in pairs for balanced suspension correction.	Not universal: Only fits 1960-72 Chevy C10/C20 trucks. Requires installation: Needs tools and know-how for proper setup. Sold in pairs: May be more than needed for single-side repairs.

Perfect For:

This Rear Axle Shim is perfect for Chevy truck owners who want to fix driveline vibration. It’s ideal for 1960–1972 C10/C20 pickups with lowering blocks or dropped springs.

Ready to Purchase?

View Price on Amazon (paid link)

2. 4° 2″ Wide Steel Suspension Axle Leaf Spring Shims, 2 Pcs Pinion Angle Shims, Black

4° 2″ Wide Steel Suspension Axle Leaf Spring Shims are tough and reliable. They help adjust your vehicle’s axle angle, cutting down on vibration and wear. Perfect for heavy loads and off-road use.

Made of high-strength steel, these shims are wear-resistant, impact-proof, and rust-free. They stay strong even after long use. The 2-inch width fits many leaf springs, making them versatile for different models.

These shims give you a smoother, more stable ride. They work well at high speeds or off-road. Easy to install, they’re a quick fix for better performance.

Pros	Cons
Precise angle adjustment for smoother rides. Durable steel resists wear, impact, and rust. Fits most leaf springs, easy to install. Stable driving at high speeds or off-road.	Cross pin not included, requires separate purchase for installation. No tools provided, may need additional equipment for setup. Black finish may show dirt or scratches easily.

Perfect For:

This product is perfect for anyone who wants a smoother, more stable ride. Whether you’re driving on rough roads or tackling off-road adventures, these durable steel shims will help reduce vibration and improve your vehicle’s performance.

Ready to Purchase?

View Price on Amazon (paid link)

3. Speedway Motors Billet Aluminum Rear Axle Shim, 2 Degree Pinion Angle Correction, 2-1/4-Inch-Wide x 5-13/16 Inch Long, Helps Eliminate Driveline Vibration, Sold as Pair

Speedway Motors Billet Aluminum Rear Axle Shim, 2 Degree Pinion Angle Correction, 2-1/4-Inch-Wide x 5-13/16 Inch Long, Helps Eliminate Driveline Vibration, Sold as Pair

Speedway Motors Billet Aluminum Rear Axle Shim is a must-have for 1960–1972 C10 and C20 pickup trucks. It corrects pinion angle to reduce driveline vibration. This shim is sold as a pair for complete installation.

Made from lightweight billet aluminum, it offers durability without adding weight. Its precision dimensions ensure a perfect fit for your truck.

Available in 2-degree, 4-degree, and 6-degree options, it matches your specific setup needs. This shim helps eliminate vibration after suspension changes.

Pros	Cons
Perfect fit for 1960–1972 C10 and C20 trucks. Reduces vibration with precise 2-degree pinion angle correction. Lightweight, durable billet aluminum for long-lasting performance. Easy installation with matched pair and precision dimensions.	Limited vehicle fitment: Only for 1960–1972 C10 and C20 trucks. No installation tools included, requires extra purchases. Specific degree options may not suit all suspension setups.

Perfect For:

This Speedway Motors Billet Aluminum Rear Axle Shim is perfect for owners of 1960–1972 C10 and C20 pickup trucks who want to reduce driveline vibration after making suspension changes. It’s also great for those looking for a lightweight, durable solution to correct pinion angle and improve rear axle alignment.

Ready to Purchase?

View Price on Amazon (paid link)

4. Auto Alignment Body Shims Assortment Kit 1/16″ 1/64″ 1/32″ 1/8″ (144 Pieces) BUSY-CORNER

Fix your car’s alignment with this Auto Alignment Body Shims Assortment Kit. It’s perfect for adjusting body parts or camber, caster, and toe on your front or rear wheels.

This kit includes 144 pieces in four essential sizes: 1/64″, 1/32″, 1/16″, and 1/8″. They are made from high-quality, zinc-plated steel to resist rust and corrosion.

Find the right shim fast. It all comes in a clear plastic case. Get your car back on the road.

Pros	Cons
Adjusts body parts, camber, caster, and toe with ease. Rust-resistant zinc-plated steel for long-lasting use. Handy clear case keeps 144 shims organized and quick to find. Four sizes in one kit for all alignment needs.	No instructions included, might confuse first-time users. Limited sizes, may not fit all vehicle models. Plastic case feels fragile, could break easily.

Perfect For:

This Auto Alignment Body Shims Assortment Kit is perfect for car enthusiasts and mechanics who need to adjust body parts or wheel alignment. It’s ideal for anyone working on front or rear wheels, offering easy access to the right shim size for quick repairs.

Ready to Purchase?

View Price on Amazon (paid link)

5. eoere 4 PCS Universal 2 Degree Pinion Angle Metal Axle Shims, 2-5/8″ Tapered Leaf Spring Suspension Wedges for Rear Axle

Tame driveline vibrations with these 4 universal axle shims. They’re built from tough low carbon steel for lasting performance. Get a smoother ride in your truck.

These 2-degree steel wedges are 6 inches long and 2-5/8 inches wide. They easily correct pinion angle and caster. Say goodbye to annoying shakes.

Install these suspension wedges for a quieter, more stable drive. They’re a smart upgrade for your rear axle.

Pros	Cons
Corrects pinion angle and caster for smoother rides. Reduces driveline vibration, enhancing truck performance. Durable low carbon steel ensures long-lasting use. Universal fit for easy installation on rear axles.	No installation tools included, making setup harder for beginners. Plain finish may rust over time without extra protection. Not suitable for all vehicle types, check compatibility first.

Perfect For:

This product is perfect for truck owners who want to reduce rear driveline vibration and correct pinion angle or caster. It’s ideal for those with tapered leaf spring suspensions needing a simple, effective solution.

Ready to Purchase?

View Price on Amazon (paid link)

6. YDLMT Silver Motorcycle 3/4″ inch Rear Wheel Axle Bearing Spacer Shim Kits Fit for Harley Touring Dyna Sportster XL Softail Big Twin 1983-Up

Upgrade your Harley’s rear wheel with the YDLMT Silver Motorcycle Axle Bearing Spacer Shim Kits. These high-quality stainless steel shims are built for durability and reliability, ensuring a perfect fit for your ride.

Designed for Big Twin models from 1983-Up, this universal shim kit offers a range of thicknesses from 0.002″ to 0.028″. It’s your easy-to-install solution for a secure and precise rear axle setup.

Get back on the road with confidence. YDLMT stands behind its products. Enjoy a worry-free ride.

Pros	Cons
Brand new shim kit for Harley 3/4″ rear axle. High-quality stainless steel ensures durability and reliability. Easy installation with a universal fit for most bikes. 30-day warranty and 24/7 customer service for peace of mind.	No instructions included, making installation tricky for some. Limited thickness range may not fit all bike models. Warranty only 30 days, which is shorter than expected.

Perfect For:

This shim kit is perfect for Harley owners who need a reliable and durable solution for their rear axle. It’s easy to install and fits most Harley models from 1983-Up, making it ideal for DIY repairs.

Ready to Purchase?

View Price on Amazon (paid link)

7. ISPINNER 48pcs Auto Alignment Body Shim Assortment Kit, 1/64″ 1/32″ 1/16″ 1/8″ Universal Shims for Adjusting Body Parts or Camber Alignment

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Pros	Cons
High-quality zinc-plated steel for durability and rust resistance. 48-piece kit with 4 common sizes for versatile use. U-type design ensures precise alignment of vehicle parts. Resealable case keeps shims organized and easy to find. Wide applications for auto repairs and machine leveling.	Limited shim thicknesses may not fit all alignment needs. No instructions included for beginners to use easily. Risk of overstacking shims, which can cause alignment issues.

Perfect For:

This ISPINNER Auto Alignment Body Shim Assortment Kit is perfect for car enthusiasts, mechanics, and DIYers who need to adjust body parts or align wheels. It’s ideal for anyone working on vehicles, machines, or leveling projects.

Ready to Purchase?

View Price on Amazon (paid link)

8. Yukon Gear & Axle SK D44JL-PINION Solid Spacers, Shims & Shim Kits

Yukon Gear & Axle SK D44JL-PINION Solid Spacers, Shims & Shim Kits are made for Dana 44 JL-R. They are built to the highest standards. These parts ensure top performance.

State-of-the-art design software is used to engineer these products. Each unit is inspected for accuracy. This ensures a perfect fit every time.

These spacers and shims are reliable and durable. They are easy to install and built to last.

Pros	Cons
Fits Dana 44 JL-R perfectly for smooth performance. Built to highest standards for lasting durability. Precision engineered with advanced design software. Inspected for accuracy to ensure perfect fitment.	Limited to specific axle type, not universal. No installation tools or instructions included. Higher cost compared to basic shim kits.

Perfect For:

This Yukon Gear & Axle SK D44JL-PINION Solid Spacers, Shims & Shim Kits is perfect for anyone with a Dana 44 JL-R. It’s ideal for those who want top-quality parts that fit just right.

Ready to Purchase?

View Price on Amazon (paid link)

9. JEGS Rear Axle Wedge Kit | 2 Degree Shims | Fits 2in.Wide Leaf Springs | 2in.Wide x 5in.Long | Aluminum | 2 Per Package

The JEGS Rear Axle Wedge Kit helps you adjust pinion angle or change traction bar angle on vehicles with leaf springs. It’s a simple, effective solution for better performance.

Fits 2-inch wide leaf springs perfectly. Made of aluminum, so it’s strong and won’t crack. Two wedges come in each package.

Measures 2 inches wide by 5 inches long. Easy to install and use. Great for improving your vehicle’s handling.

Pros	Cons
Adjusts pinion angle for better performance and traction. Fits 2-inch leaf springs perfectly, ensuring a snug fit. Aluminum construction prevents cracking, lasts longer. Two per package, great value for your upgrade needs.	Limited to 2-inch leaf springs, not universal. No installation tools or instructions included. Only 2 shims per package, may need more.

Perfect For:

This JEGS Rear Axle Wedge Kit is perfect for car enthusiasts who want to fine-tune their vehicle’s performance. It’s ideal for those with leaf springs, helping adjust pinion angle or traction bar angle easily.

Ready to Purchase?

View Price on Amazon (paid link)

10. Dorman AK901540 Rear Alignment Shim Compatible with Select Chevrolet Models

Fix your car’s alignment with the Dorman AK901540 Rear Alignment Shim. This direct replacement part is designed to fit perfectly on specific Chevrolet models, ensuring a reliable and precise alignment.

It’s built to last. Get yours and drive with confidence.

Pros	Cons
Perfect fit for select Chevrolet models, just like the original. Built tough with sturdy, safe materials for long-lasting use. Tested rigorously to ensure top quality and reliability. Easy to check compatibility with your vehicle using the garage tool.	Limited compatibility – only works with select Chevrolet models. No installation tools included – extra cost for setup. Not universal – specific fit required, check before buying.

Perfect For:

This Dorman AK901540 Rear Alignment Shim is perfect for Chevrolet owners who need a reliable, direct replacement for their vehicle’s alignment shim. It’s easy to install and built to last, ensuring your car stays aligned and performs well.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Rear axle alignment shims are key for a smooth, safe ride. They fix driveline angles, cut vibrations, and boost handling.

Choosing the right shim can feel overwhelming, but we’re here to help. We’ve tested top products and created a guide to make it easy for you.

Here’s what to consider when buying rear axle alignment shims:

Material:
Billet aluminum is lightweight and durable. Steel is tougher and ideal for heavy-duty use. Pick based on your vehicle’s needs.
Compatibility:
Check if the shim fits your vehicle’s make and model. Wrong fit? No fix.
Angle Correction:
Shims come in 2°, 4°, or 6° options. Choose the right angle to fix your driveline issues.
Size and Dimensions:
Measure your axle or leaf spring width for a perfect fit. Wrong size? No alignment.
Ease of Installation:
Look for shims that are easy to install. Save time and hassle.
Durability:
Pick shims that are rust-resistant and long-lasting. Avoid frequent replacements.
Price and Value:
Balance cost with quality. A good shim is an investment in your ride.

Ready to upgrade your vehicle? Use this guide to find the perfect rear axle alignment shim and enjoy a smoother, safer drive.