USA Standard Gear Transmission & Drivetrain

USA Standard Master Overhaul kit for the GM 8.5 front differential

Part Number: SPZ-37056

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Ring and Pinion Installation Kit, GM 8.6 in., Rear, Kit

Part Number: SPZ-58012

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Estimated Ship Date: Feb 9, 2026 if ordered today

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

Part Number: SPZ-37034

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Transmission Bearing and Seal, NP435 Transmission Bearing/Seal Kit 68-72 Chevy/GMC Truck/Suburban Plus 69-87 F-Series/M-Series/P-Series/Bronco

Part Number: SPZ-72355

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 9, 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: Tomorrow

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Differential Rebuild Kits, USA Standard Master Overhaul kit for '15 & up Mustang and F150

Part Number: SPZ-37153

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 10, 2026 if ordered today

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Transmission Bearing and Seal, M5R1 Transmission Bearing/Seal Kit w/Synchro Rings, 5-Speed Manual Trans 30 Tooth 5th-Reverse

Part Number: SPZ-72911

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.875 in. Passenger Car, Set

Part Number: SPZ-36167

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Ring and Pinion Gears, 4.56:1 Ratio, 27-spline, Standard Ring Gear Rotation, GM 7.5 in., GM 7.625 in., Set

Part Number: SPZ-36201

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Axle Shaft, 30-spline Inner, 30.75 in. Length, GM 8.875 in. (12-bolt) Truck, Rear, Chevrolet, GMC, Each

Part Number: SPZ-35108

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Estimated Ship Date: Tomorrow

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Axle Shaft, C-clip, 28-spline, 32.000 in. Length, Rear, GM 7.5/GM 7.625 in., Chevy, Pontiac, Each

Part Number: SPZ-35037

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Estimated Ship Date: Feb 9, 2026 if ordered today

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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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Estimated Ship Date: Tomorrow

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Differential Carrier Rebuild Kits and Spider Gears, Spider Gear Sets, Ford 8.8 in., 28-spline, 10-bolt, Ford, Lincoln, Mazda, Mercury, Kit

Part Number: SPZ-39015

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Axle 12P GM REAR, 31-3/8" LONG, 30spl, 1.620" LARGE BRGSHAFT, 5 x 4.75" BP, 5 LUG

Part Number: SPZ-12219

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Ring and Pinion Gears,USA Standard 8.5" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.781" Carrier Bearing Journal

Part Number: SPZ-10718

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Manual Transmission Rebuild Kits , T56 M/T BEARING KIT '93&UP 6SPD

Part Number: SPZ-75179

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Estimated Ship Date: Feb 9, 2026 if ordered today

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USA Standard Master Overhaul kit for the Ford 9" LM603011 differential w/ solid spacer

Part Number: SPZ-37037

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Manual Transmission Bearing and Seal Overhaul Kit, Manual Transmission Bearing and Seal Overhaul Kit

Part Number: SPZ-ZMBK131A

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Estimated Ship Date: Tomorrow

USA Standard Master Overhaul kit Chrysler, 9.25 in. ZF, Kit

Part Number: SPZ-37116

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Transmission Bearing and Seal, AX15 Transmission Bearing/Seal Kit w/Synchro Rings, 5-Speed Manual Trans USA Standard Gear

Part Number: SPZ-76069

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Ring and Pinion Gears, 3.70:1 Ratio, Standard Ring Gear Rotation, Ford 9 in., Set

Part Number: SPZ-36137

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Manual Transmission Rebuild Kit, Muncie HD Four Speed, Includes Syncro Rings, 26-Spline, 1 in. Countershaft, Muncie M-21, M-22, Kit

Part Number: SPZ-74207

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Estimated Ship Date: Feb 9, 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: Feb 6, 2026 if ordered today

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Ring and Pinion Gears, 4.11:1 Ratio, 29-spline, Standard Ring Gear Rotation, Chrysler 9.25 in., Set

Part Number: SPZ-36020

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Ring and Pinion Gears, 5.29:1 Ratio, 23-spline, Standard Ring Gear Rotation, Toyota 7.5 in., Set

Part Number: SPZ-36244

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Estimated Ship Date: Feb 9, 2026 if ordered today

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