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Usa Standard Gear

USA Standard Gear Spartan Lockers SL F9-28-31 Differential Carrier, Locker, Steel, 28/31-spline, Open Case, Rear, Ford 8/9 in., Each

SKU: SPZF9-28-31

Differential Carriers
USA Standard Gear Spartan Lockers SL F9-28-31 Differential Carrier, Locker, Steel, 28/31-spline, Open Case, Rear, Ford 8/9 in., Each

Usa Standard Gear

USA Standard Gear Spartan Lockers SL F9-28-31 Differential Carrier, Locker, Steel, 28/31-spline, Open Case, Rear, Ford 8/9 in., Each

SKU: SPZF9-28-31

Differential Carriers
A$1,507.37
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

Spartan lockers are affordable, reliable traction. These USA Standard Gear Spartan lockers are mechanical lockers that fit into a standard differential carrier, replacing the open spider gears. They do not use thrust washers and have a revolutionary spring and pin design to make installation a snap! Spartan lockers feature high-nickel 9310 chromoly drivers and couplers for added strength. Give your vehicle great traction and save some cash. Drop in Spartan lockers for improved traction. They're available for a variety of makes and models spanning more than a half-century.

Part Type

Differential Carriers

Data: v4.2 - Upd: 2026-10-16 00:15:55

Specifications

Product Attributes - Brand
USA Standard Gear
Product Attributes - Manufacturer's Part Number
SL F9-28-31
Product Attributes - Part Type
Differential Carriers
Product Attributes - Product Line
USA Standard Gear Spartan Lockers
Product Attributes - UPC
883584170426
Product Attributes - Differential Case Design Type
Ford 8/9 in.
Product Attributes - Remanufactured
No
Product Attributes - Aftermarket Carrier Style
Mechanical locker
Product Attributes - Axle Shaft Spline Quantity
28/31
Product Attributes - Manufacturer of Axle
Ford
Product Attributes - Carrier Material
Steel
Product Attributes - Carrier Bearings Included
No
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Usa Standard Gear
StreetFX SKU spzF9-28-31
SFX Item ID 4897496
Supplier Item Code 4897496
Manufacturer SKU F9-28-31
Manufacturer UPC 883584170426
Alternative References SPZ-17042, 28/31-spline

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