1990 USA Standard Gear Parts and Accessories

Spartan Differential Locker, Dana 30, 27-spline Axle, Jeep, Ford, International, Each

Part Number: SPZ-17000

5.0 out of 5 stars ( 6 )

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Ring and Pinion Gear Installation Kits, Master Overhaul Kits, 10-bolt, 31-spline, Standard Ring Gear Rotation, Dana 44, Front, Chevy, Dodge, Ford, Kit

Part Number: SPZ-37008

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Transfer Case Rebuild Kit, New Process 205, GM/Dodge Direct Mount, Kit

Part Number: SPZ-78653

4.33 out of 5 stars ( 3 )

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Spartan Differential Locker, GM 8.5 in., 28-spline Axle, Buick, Oldsmobile, Pontiac, Chevy, GMC, Each

Part Number: SPZ-17040

5.0 out of 5 stars ( 5 )

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Ring and Pinion Gear, 4.11:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36216

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Ring and Pinion Gear, 3.73:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36214

4.5 out of 5 stars ( 6 )

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USA Standard Master Overhaul kit GM 7.5 in./7.625 in, Rear, Kit

Part Number: SPZ-37049

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Gear, Ring and Pinion, 4.30:1 Ratio, Dana 80, Set

Part Number: SPZ-36096

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USA Standard Master Overhaul kit Dana 60, Front, Kit

Part Number: SPZ-37020

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Transfer Case Rebuild Kit, Bearing Kit, New Process 205, 32 Spline Input Shaft, Chevrolet, GMC, Kit

Part Number: SPZ-79317

4.0 out of 5 stars ( 1 )

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Ring and Pinion Gear Installation Kits, Master Overhaul Kits, 29-spline, Dana 60, Rear, Chevrolet, Dodge, Ford, GMC, Jeep, Plymouth, Kit

Part Number: SPZ-37021

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Ring and Pinion Gears, 4.56:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36045

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Ring and Pinion Gears, Ford 7.5 in., 3.73:1 Ratio, 28-spline, Standard Rotation, Ford 7.5 in., Rear, Ford, Lincoln, Mazda, Mercury, Set

Part Number: SPZ-36114

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Gear, Ring and Pinion, 3.73:1, Toyota, 8 in., Set

Part Number: SPZ-36316

3.5 out of 5 stars ( 2 )

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RING AND PINION GEARS, USA Standard ring & pinion sets

Part Number: SPZ-36329

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Differential Carrier, Spartan Helical Gear Limited Slip, Dana 30, Front, 27 Spline, 3.73 and Up Ratio, Each

Part Number: SPZ-10383

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Ring and Pinion Gears, 5.13:1 Ratio, 30-spline, Standard Ring Gear Rotation, Ford 8.8 in., Set

Part Number: SPZ-36128

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Estimated Ship Date: Mar 24, 2026 if ordered today

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Ring and Pinion Gears, 5.38:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36053

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Estimated Ship Date: Apr 2, 2026 if ordered today

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Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Rear, Chevrolet, GMC, Set

Part Number: SPZ-36182

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Ring and Pinion Gears,USA Standard 8.8" Ford, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 2.530" OD Axle Bearings & Seals

Part Number: SPZ-10757

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Differential Carrier Rebuild Kits and Spider Gears, Ford 8.8 in., Side Gears, Rear, Limited Slip, Traction Loc, 31-spline, 10-bolt, Ford, Lincoln, Kit

Part Number: SPZ-39032

4.0 out of 5 stars ( 4 )

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Ring and Pinion Gears,USA Standard 9.25" CHRYSLER, 3.21 Ratio Rear Ring & Pinion GearInstall Kit 1.62" Inside Diameter Axle Bearings & Seals

Part Number: SPZ-10781

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Fits '90-'93 Dodge Ramcharger & Trailduster front with manual transmission. 27 1/2" center of u/joint caps.

Part Number: SPZ-44519

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Ring and Pinion Installation Kit, GM 8.5 in., Rear, Kit

Part Number: SPZ-37055

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Spartan Differential Locker, Chrysler 8.25 in., 29-spline Axle, Chrysler, Dodge, Jeep, Plymouth, Each

Part Number: SPZ-17038

4.0 out of 5 stars ( 1 )

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