USA Standard Gear Transmission & Drivetrain

USA Standard Master Overhaul kit Dana 80, Rear, Kit

Part Number: SPZ-37078

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Ring and Pinion Gears, 3.25:1 Ratio, 28-spline, Standard Rotation, Ford 9 in., Ford, Lincoln, Mercury, Rear, Set

Part Number: SPZ-36134

4.0 out of 5 stars ( 1 )

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USA Standard Master Overhaul kit for the GM 12P differential

Part Number: SPZ-37042

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

Part Number: SPZ-36096

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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 9, 2026 if ordered today

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Manual Transmission Input Shaft, Steel, 26-spline Input, 31-tooth Input Shaft, MM6, Chevrolet, Pontiac, Each

Part Number: SPZ-74230

4.0 out of 5 stars ( 1 )

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Transmission Bearing and Seal, Muncie-4 Transmission Bearing/Seal Kit w/Synchro Rings Buick/Chevy/Oldsmobile/Pontiac/Bizzarrini Cars

Part Number: SPZ-72143

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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,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 9, 2026 if ordered today

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Ring and Pinion Gears,USA Standard 8.6" GM, 3.73 Ratio Rear Ring & Pinion Gea

Part Number: SPZ-10728

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 9, 2026 if ordered today

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Axle Shaft, 26-Spline, 28.438 in. Length, Rear, Buick, Chevy, Oldsmobile, Each

Part Number: SPZ-35059

5.0 out of 5 stars ( 4 )

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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, 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: Apr 9, 2026 if ordered today

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Differential Carrier Rebuild Kits and Spider Gears, Spider Gear Sets, GM 8.875 in. (12-bolt), Car/Truck, 30-spline, Buick, Chevy, GMC, Pontiac, Kit

Part Number: SPZ-39021

5.0 out of 5 stars ( 3 )

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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 9, 2026 if ordered today

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USA Standard Master Overhaul kit for the '09 and newer GM 8.6" differential

Part Number: SPZ-37060

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Manual Transmission Rebuild Kit, Manual Transmission Bearing Kit, Synchronizer Rings, Bricklin, Chevrolet, Iso, Pontiac, Kit

Part Number: SPZ-77081

5.0 out of 5 stars ( 1 )

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Transfer Case Rebuild Kit, New Process 205, Dodge, Ford, Remote Mount, Kit

Part Number: SPZ-70414

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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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Estimated Ship Date: Apr 9, 2026 if ordered today

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Ring and Pinion Gears,USA Standard 8.5" GM, 3.42 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.625" Carrier Bearing Journal

Part Number: SPZ-10722

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Rotation, Chrysler 11.5 in., GM 11.5 in., Set

Part Number: SPZ-36282

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 9, 2026 if ordered today

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Driveshaft, Rear, 2-piece, Assembled, Balanced, Steel, 34.313 in. Length, Ford, Each

Part Number: SPZ-44085

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Ring and Pinion Installation Kit, GM 55P/55T, Rear, Kit

Part Number: SPZ-37047

3.33 out of 5 stars ( 3 )

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Ring and Pinion Gears,USA Standard 11.5" AAM, 4.56 Ratio Rear Ring & Pinion GearInstall Kit 4.375" OD Inner Pinion Bearing

Part Number: SPZ-10827

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Estimated Ship Date: Apr 9, 2026 if ordered today

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