Whiteline Differential Mount Bushing Kit for 1990-2005 Mazda Miata (NA/NB) – Power, Precision, Performance

In the race to victory, power delivery is everything. The Whiteline Differential Mount Bushing Kit is engineered to maximize your 1990-2005 Mazda Miata (NA/NB)'s performance by reducing initial torque loss and delivering optimal power transfer to the wheels. Designed for racers who demand the best, this kit ensures precision handling and enhanced gear shifts for that competitive edge.

Unmatched Performance Features

  • Pinion Angle Precision: Maintains perfect alignment for smoother power delivery and improved gear shifts.
  • Durable Synthetic Elastomer: Resistant to oil, grease, ozone, and weathering for long-lasting performance under extreme conditions.
  • Protective Plating & Powder Coating: Built to withstand the toughest environments, with superior resistance to corrosion and wear.
  • Self-Lubricating Design: Equipped with internal grease reservoirs and supplied with high-performance molybdenum disulfide grease for reduced friction and extended component life.

Dominate Every Lap

By eliminating differential movement and optimizing power delivery, this kit keeps your Miata locked in and performing at its peak through every corner and straightaway. Experience sharper response, increased stability, and more power where it matters—on the pavement.

Why Whiteline?

Because only the best parts will do when winning is your goal. This differential mount bushing kit is engineered to handle the demands of high-performance driving, making it a must-have upgrade for racers and enthusiasts alike.

Don’t let inferior components hold you back. Buy the Whiteline Differential Mount Bushing Kit today and unleash the full potential of your Miata!

Transfer power. Drive harder. Win faster.


This Part Fits:

Year Make Model Submodel
1999 Mazda Miata 10th Anniversary
1990-1997,1999-2005 Mazda Miata Base
1993 Mazda Miata LE
2000-2005 Mazda Miata LS
1994-1997 Mazda Miata M Edition
2004-2005 Mazda Miata Mazdaspeed
1991,2000-2003 Mazda Miata SE
2003 Mazda Miata Shinsen
1997 Mazda Miata STO

Shipping Policies

Free Shipping on all orders over $56.

For orders under $56, we offer ground shipping for only $9.99.

Need your parts faster? Flat-rate expedited shipping options are available.

Standard delivery in 3-5 business days or less.

For in-stock items, our free ground shipping reaches any of the 48 contiguous U.S. states in 5 business days or less.

International Shipments

Garage 56 Engineering provides the best service and quality parts to customers all over the globe every day. We understand that purchasing parts internationally can be stressful and would like you to know we are committed to helping at every step of the way.

Transit times listed on the website are estimates and will vary depending on your location as well as the amount of time it will take your government to process the order through customs. In most cases, orders take around a week to arrive but can be closer to two to three weeks to some countries.

You may be charged a duty (tax) on your order. We do not handle this tax and your local customs agency will charge you the correct amount per your local laws. It is your responsibility to review and understand these taxes when ordering.

Please note that our fitment data and vehicle selector is for United States of America Market cars only. If you are searching for parts for an international car please search for exact part numbers.


Return Policies

We have a 365-day return policy, which means you have 1 year after receiving your item to request a return. 

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us at info@garage-56.com. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

You can always contact us for any return question at info@garage-56.com.

Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on sale items or gift cards.

Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

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