Specifically designed for heavier vehicles, our kit includes all the necessary hardware and bracketry for a seamless installation., With double shear bracketry it ensures the strength and support you need for street and race applications., Our axle-mounted brackets offer 9\" of total height adjustment, in 3/4\" incriments, This kit is a universal weld-in kit designed for 3.00\" diameter axle tubes., This simple weld-on kit features axle mount brackets and upper shock mounting tabs. QA1 MT103K Heavy-Duty Weld-In Shock Bracket Kit-3.00in. Axle Tube Sku # 721MT103K Mfr. Part # MT103K Condition New Brand QA1 Sold Kit Details
Upgrade your car or truck with QA1\'s Heavy Duty Coil-Over Conversion Kit, engineered for seamless coil-over installation on heavier vehicles. Designed for strength and versatility, this universal weld-in kit is ideal for street, race, or custom applications. Featuring robust double shear bracketry, axle mount brackets, and upper shock mounting tabs, it ensures reliable performance under demanding conditions. When paired with QA1 coil-over shocks and springs, this kit delivers a fully adjustable suspension solution tailored to your vehicle’s needs. With 9 inches of height adjustment in precise 3/4-inch increments, you can achieve the perfect stance for your ride. Built for 3.00-inch diameter axle tubes, this kit includes all necessary hardware for a straightforward, professional-grade installation.
- Heavy-Duty Design: Double shear bracketry provides superior strength for heavy vehicles and high-performance use.
- Adjustable Stance: Offers 9\" of height adjustment in 3/4\" increments for precise ride height customization.
- Universal Fit: Weld-in kit designed for 3.00\" diameter axle tubes, compatible with a wide range of vehicles.
- Complete Solution: Includes all hardware, axle mount brackets, and upper shock tabs for easy installation.
- Street & Race Ready: Pairs perfectly with QA1 coil-over shocks and springs for optimal performance in any application.
Specs Material Type Steel Shock Mount Location Rear Upper and Lower Finish Natural MFG. Part # MT103K GTIN Code 806990170033 Sold in Quantity Pair Reviews Nice fit and design. They do come as a pair Rated by CS on July 22, 2026
Summary: Using the Speedway TQ Arm setup and my packaging required moving the coil overs to the front of the axle. These worked perfect.
Yes, I recommend this product.
Tech Support We\'re here to help before and after your purchase. If you have a question or need assistance with one of our products, please contact us through Messaging and a knowledgeable Speedway Motors team member will be happy to help. About Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 74 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
