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If you're looking to beef up your ride with some serious axles, you can't go wrong with these USA Standard Gear axles. I’ve had my fair share of experiences with different brands, and let me tell you, these guys know what they're doing. They’ve nailed down precision manufacturing, which means you’re getting axles that are tough enough for competition but still reliable for everyday use.
These axles are 28 spline and stretch a solid 35.46 inches long, which makes them a great fit for the GM 8.5-inch differential found in models from 1979 to 1987. I’ve installed a few of these on my own projects, and the fit is just right. They come as a right-hand inner axle, so you know exactly where to put them. Plus, they’re made from 4340 Chromoly, which is a fancy way of saying they’re built to last and can take a beating without bending or breaking.
One thing to keep in mind is that these axles are a bit larger in diameter than your standard 28 spline options. So, if you’re planning to use them, you’ll need to grab the carrier case part number YC G26010481 to make everything work smoothly together. It’s a small step that can save you a headache down the line.
And just to ease your mind, these axles come with a 5-year warranty against manufacturer defects. That’s a solid deal for the peace of mind you get when you’re out on the trails or cruising down the highway.
Here’s a quick rundown of where these bad boys fit:
- Chevrolet Blazer 1987
- Chevrolet C/K 10 1979-1986
- Chevrolet C/K 20 1979-1986
- Chevrolet K5 Blazer 1979-1986
- Chevrolet R/V 10 1987
- Chevrolet R/V 20 1987
- Chevrolet Suburban 1979-1988
- GMC C/K 1500 1986
- GMC C/K 2500 1986
- GMC V1500 1987
- GMC V2500 1987
So, if you’re ready to upgrade your axle game, these USA Standard Gear axles are worth considering. They’ve served me well, and I think they’ll do the same for you.
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| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Chevrolet Blazer | 1987 | Custom Deluxe |
| Chevrolet Blazer | 1987 | Silverado |
| Chevrolet C10 | 1979-1986 | Custom |
| Chevrolet C10 | 1979-1986 | Scottsdale |
| Chevrolet C10 | 1979-1986 | Silverado |
| Chevrolet C10 | 1979-1980 | Custom Deluxe |
| Chevrolet C10 | 1979-1980 | Big Ten |
| Chevrolet C10 | 1979-1981 | Cheyenne |
| Chevrolet C10 | 1981 | Deluxe |
| Chevrolet C10 Suburban | 1979-1980, 1982-1986 | Silverado |
| Chevrolet C10 Suburban | 1979-1980 | Custom Deluxe |
| Chevrolet C10 Suburban | 1979-1980, 1982, 1984-1986 | Scottsdale |
| Chevrolet C10 Suburban | 1981 | Deluxe |
| Chevrolet C10 Suburban | 1981-1986 | Custom |
| Chevrolet C20 | 1979-1986 | Silverado |
| Chevrolet C20 | 1979-1986 | Scottsdale |
| Chevrolet C20 | 1979-1981, 1986 | Cheyenne |
| Chevrolet C20 | 1979-1980 | Custom Deluxe |
| Chevrolet C20 | 1981-1986 | Custom |
| Chevrolet C20 | 1981 | Deluxe |
| Chevrolet C20 | 1986 | Base |
| Chevrolet C20 Suburban | 1979-1980, 1982-1986 | Silverado |
| Chevrolet C20 Suburban | 1979-1980, 1982, 1984-1986 | Scottsdale |
| Chevrolet C20 Suburban | 1979-1980 | Custom Deluxe |
| Chevrolet C20 Suburban | 1981-1986 | Custom |
| Chevrolet C20 Suburban | 1981 | Deluxe |
| Chevrolet K10 | 1979-1986 | Silverado |
| Chevrolet K10 | 1979-1981 | Cheyenne |
| Chevrolet K10 | 1979-1980 | Custom Deluxe |
| Chevrolet K10 | 1979-1986 | Scottsdale |
| Chevrolet K10 | 1981-1986 | Custom |
| Chevrolet K10 | 1981 | Deluxe |
| Chevrolet K10 Suburban | 1979-1980, 1982-1983, 1985-1986 | Silverado |
| Chevrolet K10 Suburban | 1979-1980, 1982, 1984-1986 | Scottsdale |
| Chevrolet K10 Suburban | 1979-1980 | Custom Deluxe |
| Chevrolet K10 Suburban | 1981-1986 | Custom |
| Chevrolet K10 Suburban | 1981 | Deluxe |
| Chevrolet K20 | 1979-1986 | Scottsdale |
| Chevrolet K20 | 1979-1981 | Cheyenne |
| Chevrolet K20 | 1979-1980 | Custom Deluxe |
| Chevrolet K20 | 1979-1983, 1985-1986 | Silverado |
| Chevrolet K20 | 1981-1986 | Custom |
| Chevrolet K20 | 1981 | Deluxe |
| Chevrolet K20 Suburban | 1979-1980 | Custom Deluxe |
| Chevrolet K20 Suburban | 1979-1980, 1982-1983, 1985-1986 | Silverado |
| Chevrolet K20 Suburban | 1979-1980, 1982, 1984-1986 | Scottsdale |
| Chevrolet K20 Suburban | 1981-1986 | Custom |
| Chevrolet K20 Suburban | 1981 | Deluxe |
| Chevrolet K5 Blazer | 1979-1980 | Cheyenne |
| Chevrolet K5 Blazer | 1979-1980 | Custom Deluxe |
| Chevrolet K5 Blazer | 1980-1986 | Silverado |
| Chevrolet K5 Blazer | 1981 | Deluxe |
| Chevrolet K5 Blazer | 1981-1986 | Custom |
| Chevrolet K5 Blazer | 1984 | Scottsdale |
| Chevrolet R10 | 1987 | Custom Deluxe |
| Chevrolet R10 | 1987 | Scottsdale |
| Chevrolet R10 | 1987 | Silverado |
| Chevrolet R10 Suburban | 1987 | Custom Deluxe |
| Chevrolet R10 Suburban | 1987-1988 | Silverado |
| Chevrolet R10 Suburban | 1987-1988 | Scottsdale |
| Chevrolet R20 Suburban | 1987-1988 | Scottsdale |
| Chevrolet R20 Suburban | 1987-1988 | Silverado |
| Chevrolet R20 Suburban | 1987 | Custom Deluxe |
| Chevrolet S10 Blazer | 1987 | High Country |
| Chevrolet S10 Blazer | 1987 | Base |
| Chevrolet S10 Blazer | 1987 | Sport |
| Chevrolet S10 Blazer | 1987 | Tahoe |
| Chevrolet Suburban | 1987-1988 | Base |
| Chevrolet V10 | 1987 | Silverado |
| Chevrolet V10 | 1987 | Custom Deluxe |
| Chevrolet V10 | 1987 | Scottsdale |
| Chevrolet V10 Suburban | 1987-1988 | Scottsdale |
| Chevrolet V10 Suburban | 1987 | Custom Deluxe |
| Chevrolet V10 Suburban | 1987-1988 | Silverado |
| Chevrolet V20 | 1987 | Silverado |
| Chevrolet V20 | 1987 | Custom Deluxe |
| Chevrolet V20 | 1987 | Scottsdale |
| Chevrolet V20 Suburban | 1987 | Custom Deluxe |
| Chevrolet V20 Suburban | 1987-1988 | Scottsdale |
| Chevrolet V20 Suburban | 1987-1988 | Silverado |
| GMC C1500 | 1986 | High Sierra |
| GMC C1500 | 1986 | Sierra Classic |
| GMC C1500 | 1986 | Base |
| GMC C1500 Suburban | 1986 | High Sierra |
| GMC C1500 Suburban | 1986 | Sierra Classic |
| GMC C1500 Suburban | 1986 | Base |
| GMC C2500 | 1986 | Base |
| GMC C2500 | 1986 | High Sierra |
| GMC C2500 | 1986 | Sierra Classic |
| GMC C2500 Suburban | 1986 | High Sierra |
| GMC C2500 Suburban | 1986 | Sierra Classic |
| GMC C2500 Suburban | 1986 | Base |
| GMC K1500 | 1986 | Sierra Classic |
| GMC K1500 | 1986 | High Sierra |
| GMC K1500 | 1986 | Base |
| GMC K1500 Suburban | 1986 | Sierra Classic |
| GMC K1500 Suburban | 1986 | High Sierra |
| GMC K1500 Suburban | 1986 | Base |
| GMC K2500 | 1986 | Sierra Classic |
| GMC K2500 | 1986 | High Sierra |
| GMC K2500 | 1986 | Base |
| GMC K2500 Suburban | 1986 | Sierra Classic |
| GMC K2500 Suburban | 1986 | Base |
| GMC K2500 Suburban | 1986 | High Sierra |
| GMC V1500 | 1987 | High Sierra |
| GMC V1500 | 1987 | Base |
| GMC V1500 | 1987 | Sierra Classic |
| GMC V1500 Suburban | 1987 | Sierra Classic |
| GMC V1500 Suburban | 1987 | Base |
| GMC V1500 Suburban | 1987 | High Sierra |
| GMC V2500 | 1987 | Base |
| GMC V2500 | 1987 | High Sierra |
| GMC V2500 | 1987 | Sierra Classic |
| GMC V2500 Suburban | 1987 | High Sierra |
| GMC V2500 Suburban | 1987 | Base |
| GMC V2500 Suburban | 1987 | Sierra Classic |
USA Standard Gear is a company that supplies high-quality parts for the automotive industry. They are a one-stop-shop for all your drivetrain component needs and have one of the industry's most comprehensive parts list and inventory. Today, they are considered the leading supplier of these parts in the United States.
Drivetrain ExpertsThe company offers various parts ranging from axles, differential gears, lockers, limited slips, drivelines, and more. It is built by a team of craftsmen who has years of experience when it comes to assembling and modifying their own builds. This passion is what drives the company to create some of the best products in the market.
Quality In Every ProductAll their parts are manufactured in their facility equipped with the latest and most sophisticated tools available today. They also have two high-tech testing labs to ensure that every product comes out with the company's quality.
The USA Standard Gear engineering team is constantly on edge trying to find ways to develop and further improve their products. That is why they can produce innovative parts that adapt to the changing trend in the automotive world.
Purchase USA Standard Gear at Vivid RacingIf you are in the market for reliable and top-notched drivetrain components, then USA Standard Gear is the brand for you. With years of experience developing their products, they have provided their customers with parts they could trust, whether it's a replacement component or an upgrade.
To know more about USA Standard Gear, visit Vivid Racing and check out their list of offerings that fit your specific requirement.
USA Standard Gear® ("USA Standard") warrants the original retail purchaser that all USA Standard products will be free from defects in materials and workmanship for the periods shown herein. USA Standard makes no other warranty of any kind, express or implied. All other warranties, including but not limited to an implied warranty of merchantability or fitness for a particular purpose, are excluded. This warranty is offered provided that the USA Standard product has been installed and maintained in accordance with USA Standard instructions, and that it has not been subject to modification, accident, abnormal use or misuse. At USA Standard's discretion, this warranty may be voided if installation of USA Standard product(s) occurs on vehicles with tires that exceed USA Standard Maximum Recommended Tire Size.
Upon notification of a warranty claim, USA Standard shall investigate the claim of defect, and, in the event of a verified defect, shall, at their sole choice, either repair the defective product or replace it.
This warranty does not cover, and USA Standard shall not be liable for, incidental or consequential damages, including loss of time, road service charges, labor charges, inconvenience, loss of vehicle use, loss of revenues, or loss or damage to personal property (including loss or damage to vehicle parts due to the failure of the USA Standard product). In addition, this warranty does not cover, and USA Standard shall not be liable for, any undertaking, representation, or agreements made by dealers or other third parties selling USA Standard Gear® products, except where such agreements are within the provisions of this Warranty statement. Also, this warranty does not cover damage to the axle caused by or facilitated by failure of a non-USA Standard component.
This agreement offers you specific legal rights. You may also have other rights which vary from state to state.
USA STANDARD GEAR® WARRANTY BY PRODUCT| USA Standard Product | Length of Warranty (From date of sale) | NOTES |
|---|---|---|
| Spool | As long as original purchaser owns vehicle in which Spool is originally installed | It is normal for Spools to cause tire chatter, squeal, or scrubbing when vehicle is not moving in a straight line. Both rear tires must measure the same height from ground to top of wheel for Spool to function properly without premature wear. |
| Rear Axle (1040/1050) | Five (5) Years | Covers parts for five years against manufacturing defects. |
| Front Axle (Series ZA W) | Five (5) Years | Five year warranty covering manufacturing defects and axle breakage. This warranty is not transferable to another party. “No Questions Asked†replacement for first warranty return, however, USA Standard Gear reserves the right to either replace axle or refund original purchase price after the first warranty claim. USA Standard Gear (through RANDYS Worldwide Automotive) makes final determination on warranty considerations. |
| Ring & Pinion Gear Set | One (1) Year | Warrantied against manufacturing defects for one (1) year. |
| Positraction Differential | One (1) Year | Exclusions apply, does not cover premature clutch wear or abuse. It is normal for Positraction differentials to cause tire chatter, squeal, or scrubbing when vehicle is not moving in a straight line. Both rear tires must measure the same height from ground to top of wheel for differential to function properly without premature wear. Limited slip additive or appropriate friction modifier must be used with oil to reduce Positraction chatter. |
| Spartan Locker | One (1) Year | Warrantied against manufacturers defects for one (1) year. |
| Install Kits | One (1) Year | Includes ZBK, ZPK, and ZK. Covers parts for one year against manufacturing defects. |
| Spider Gear Kits (ZIK) | One (1) Year | One year against manufacturing defects. Exclusions apply, does not cover clutch wear in limited slip differentials. |
| Replacement Driveshafts (ZDS) | One (1) Year | Warrantied against manufacturing defects for one (1) year. |
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