Description
Product Overview
The USA Standard 4340 axle kit is built for 1979-1987 GM trucks and Blazer models. Constructed from premium 4340 chrome‑moly steel, the kit features a machined exterior for precise fit and superior strength. With an 8.5‑inch length and 30‑spline design, it meets OEM specifications while delivering enhanced durability for demanding applications.
![[Product front view showing all components]](https://www.kilvora.store/wp-content/uploads/2026/06/21c87bdb1ac142868acffc1e3d9d05c1.jpg)
Usage
This axle kit is perfect for both replacement and performance upgrades. Whether you are restoring a classic GM truck, enhancing a Blazer for off‑road adventures, or needing a reliable replacement for a worn axle, the kit provides the strength and fit required for daily driving, towing, and heavy loads.
Why Choose Us
USA Standard is a trusted American manufacturer known for rigorous quality control and precision engineering. Each kit undergoes thorough testing to ensure it meets or exceeds OEM standards. Our commitment to customer satisfaction includes responsive support and a comprehensive warranty, giving you confidence in every purchase.
Key Features
- High‑strength 4340 chrome‑moly steel for long‑lasting durability
- Exact 8.5‑inch length and 30‑spline configuration for a perfect OEM fit
- Machined exterior reduces wear and improves heat dissipation
- Designed for both replacement and performance upgrade applications
- Backed by USA Standard customer support and warranty coverage
FAQ
Will this kit fit a 1985 Chevrolet Blazer?
Yes, the kit is compatible with 1979‑1987 GM trucks and Blazer models, including the 1985 Chevrolet Blazer.
What is the material used for the axle shafts?
The axle shafts are made from 4340 chrome‑moly steel, offering high tensile strength and resistance to fatigue.
Is any additional hardware required for installation?
The kit includes all necessary axle shafts and bearings, but you will need standard bolts and fasteners that are typically supplied with the vehicle.
Can this axle kit be used for off‑road modifications?
Absolutely. Its robust construction and 30‑spline design make it ideal for off‑road and heavy‑duty applications.
What warranty does USA Standard provide?
USA Standard offers a limited warranty covering manufacturing defects, along with dedicated customer service for any installation assistance.
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