{
"lazyNodes": false,
"abFitnotesFlag": false,
"abCrawlReviews": false,
"productOptionsCookie": false,
"orderDelayFlag": false,
"skipSessionCookie": false,
"covidMessage": false,
"fullTitleCookie": false,
"nrLoggerCookie": false,
"checkoutReviewCookie": false,
"productOptionSeqCookie": false,
"maintenanceFlag": false,
"bufferETACookie": false,
"multiShippingDiscountFlag": false,
"newFitmentFlag": false,
"surveyOptInFlag": false,
"crossSellFlag": false,
"skuMappingFlag": false,
"paySplitCookie": false,
"callDisableFlag": false,
"zipPaymentFlag": "u",
"hassleFreeReturn": false,
"lifetimeReplacement": false,
"cpn_off": false
}Need Help? Call Us1-866-529-0412
Select your vehicle
Vehicle Info Required to Guarantee FitAdd Vehicle
USA Standard Gear® SL GM8.5-30 Differential Locker - Direct Fit, Sold individually
Tap image and pinch to zoom.
$541.49
$582.89Save: $41.40(7%)
Manufacturer #SL GM8.5-30
Vehicle Info Required to Guarantee FitAdd Vehicle
Qty:
1
Highlights
Part:
Brand:
Location:
Rear, Front Or Rear, Front
Axle Type:
GM 18.5 in.
Spline Count:
30
Product Fit:
Direct Fit
Quantity Sold:
Sold individually
Warranty:
1 year USA Standard Gear limited warranty
Prop 65 Warning:
WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Vehicle Fitment Information
Vehicle Name
Submodel
Engine
Fitment Information
1970-1972 Buick Skylark
All Submodels
All Engines
-
1970-1972 Chevrolet Bel Air
All Submodels
All Engines
-
1970-1973 Pontiac GTO
All Submodels
All Engines
-
1970-1977 Oldsmobile Cutlass
All Submodels
All Engines
-
1970-1979 Chevrolet Nova
All Submodels
All Engines
-
Page 1 of 21 | Showing 1 - 5 of 105 results
Product Information
USA STANDARD GEAR – SPARTAN DIFFERENTIAL LOCKERS
USA Standard Gear’s Spartan differential lockers deliver extreme traction at an affordable price. They’re easier to install than other lockers and perform as well as more expensive lockers, which is why they’re so popular with serious off-roaders who want the most traction they can get. As one of the largest manufacturers of high-quality drive train products, it’s no secret why mechanics and enthusiasts turn to USA Standard Gear when it’s time for a rebuild.
- No thrust washers with the innovative spring and pin design
- Extreme traction you can afford
- Installation is less complex compared to other lockers
- Powers the wheel with the most traction
- For all conditions including snow, mud, sand and ice
- Popular with racers, hot-rodders and muscle car owners
- Install in the standard carrier position, in place of spider gears
Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.