1985 USA Standard Gear - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

USA Standard Gear Axle Shafts ZA W39252

4340 Chromoly Axle, '79-'87 GM Truck & Blazer, RH inner, 28spl, uses 5-760X u/joint

Part Number: SPZ-35087

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

USA Standard Gear Spider Gear Sets ZIKGM7.5-S-26

USA Standard Gear standard spider gear set for GM 7.5", 26 spline

Part Number: SPZ-39023

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

USA Standard Gear ZG Series Ring and Pinion Sets ZG D30-456 Dana 30 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 30, Set

Part Number: SPZ-36026

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

USA Standard Gear Bearing Kits ZBKF8.8

8.8" Ford bearing & seal kit.

Part Number: SPZ-58007

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

USA Standard Gear ZG Series Ring and Pinion Sets ZG T8-390-29 Toyota 8 in. 3.90 Gears

Differential Ring and Pinion, USA Standard Ring & Pinion gear set for Toyota 8" in a 3.90 ratio

Part Number: SPZ-36354

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

USA Standard Gear Axle Shafts for 1977-1986 BRONCO, 1977-1987 F-150 - ZA F900001

Axle Shaft, 31-spline, 31.844 in. Length, Rear, Ford 9 in., Each

Part Number: SPZ-35032

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Richmond Gear EXCel OEM Replacement Axle Shafts for 1977-1986 BRONCO, 1980-1983 F-100, 1976-1986 F-150 - 92-23385

4 out of 5 stars ( 1 )

Estimated Ship Date: Today

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USA Standard Gear ZG Series Ring and Pinion Sets ZG GM12T-411T GM 8.875 in. (12-bolt) truck 4.11 Gears

USA Standard Ring & Pinion "thick" gear set for GM 12 bolt truck in a 4.11 ratio

Part Number: SPZ-36178

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

USA Standard Gear Spider Gear Sets ZIKF10.25-S-35

USA Standard Gear standard spider gear set for Ford 10.25"

Part Number: SPZ-39013

Not Yet Reviewed

Estimated Ship Date: Today

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USA Standard Gear Spider Gear Sets ZIKF9-S-31-4

USA Standard Gear standard spider gear set for Ford 9", 31 spline, 4-pinion design

Part Number: SPZ-39018

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

USA Standard Gear Master Overhaul Kits ZK F9-A-SPC

USA Standard Master Overhaul kit for the Ford 9" LM102910 differential, w/ solid spacer

Part Number: SPZ-37034

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

USA Standard Gear Axle Shafts ZA W39253

4340 Chromoly axle shaft, left hand inner for '79-'87 GM, 35.46", uses 5-760X u/joint

Part Number: SPZ-35088

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

USA Standard Gear Spider Gear Sets ZIKF9-S-28-2

Differential Carrier Rebuild Kits and Spider Gears, Ford 8/9 in., Side Gears, Rear, Open, 28-spline, Ford, Lincoln, Mercury, Kit

Part Number: SPZ-39017

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

USA Standard Gear Spider Gear Sets ZIKD60-S-35

USA Standard Gear replacement spider gear set for Dana 60, 35 spline

Part Number: SPZ-39009

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2072 Chrysler 9.25 in. 3.90 Gears

Ring and Pinion Gears,USA Standard 9.25" CHRYSLER, 3.90 Ratio Rear Ring & Pinion GearInstall Kit 1.62" Inside Diameter Axle Bearings & Seals

Part Number: SPZ-10783

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

USA Standard Gear Spider Gear Sets ZIKGM9.5-S-33

USA Standard Gear standard spider gear set for GM 9.5", 33 spline

Part Number: SPZ-39029

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

USA Standard Gear Axle Shafts ZA W48208

D60 17.67" 35spl 77to91-12/ GM INNER AXLE SHAFT, FRONT (4340)

Part Number: SPZ-35098

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

USA Standard Gear Master Overhaul Kits ZK C8.25-B

USA Standard Master Overhaul kit for the Chrysler '76 and later 8.25" differential

Part Number: SPZ-37001

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2230 GM 8.875 in. (12-bolt) truck 4.11 Gears

Ring and Pinion Gears,USA Standard 8.875" GM 12 Bolt Truck, 4.11 Ratio Thick Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals

Part Number: SPZ-10685

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

USA Standard Gear Spartan Lockers Toyota 9.5 Inch SL TLC-30

Spartan Differential Locker, Toyota 9.5 in., 30-spline Axle, Toyota, Each

Part Number: SPZ-17033

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2185 Chrysler 8.25 in. 3.07 Gears

Ring and Pinion Gears,USA Standard 8.25" CHRYSLER, 3.07 Ratio Rear Ring & Pinion GearInstall Kit 1.62" ID Axle Bearings & Seals

Part Number: SPZ-10898

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2236 GM 7.5/7.625 in. 3.23 Gears

Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 3.23 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10691

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2239 GM 7.5/7.625 in. 4.11 Gears

Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10694

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

USA Standard Gear Bearing Kits ZBKF9-A

9" FORD BRG & SEAL KIT LM102910, KOYO BRGS

Part Number: SPZ-58043

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

USA Standard Gear Master Overhaul Kits ZK D70-HD

USA Standard Master Overhaul kit Dana 70 HD differential

Part Number: SPZ-37023

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

USA Standard Gear Master Overhaul Kits ZK TV6-SPC

USA Standard Master Overhaul kit for the Toyota V6 & Turbo 4 differential

Part Number: SPZ-37075

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

1985 USA Standard Gear Parts and Accessories