USA Standard Gear Transmission & Drivetrain

Gear, Ring and Pinion, 3.73:1, GM, 8.25 in. IFS, Set

Part Number: SPZ-36342

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Estimated Ship Date: Feb 9, 2026 if ordered today

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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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Axle Shaft, 28-Spline, 30.125 in. Length, Rear, Chevy, Pontiac, Each

Part Number: SPZ-35050

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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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USA Standard Master Overhaul kit for the Chrysler 9.25" rear differential.

Part Number: SPZ-37002

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Ring and Pinion, Installation Kit, GM, 9.25 in. IFS, 2010 and Earlier, Kit

Part Number: SPZ-58023

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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, 4.11 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.625" Carrier Bearing Journal

Part Number: SPZ-10724

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Estimated Ship Date: Feb 9, 2026 if ordered today

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USA Standard Master Overhaul kit Dana 44 differential, 30 spline, rear axle

Part Number: SPZ-37015

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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, 26-spline, Standard Ring Gear Rotation, Dana 30, Set

Part Number: SPZ-36024

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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-ZMBK165WS

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Transmission Bearing and Seal, M5R1 Kit Aerostar/Bronco II/Explorer/Sport Trac/Ranger Plus Mazda B2300/B2500/B3000/B4000/Navajo 5-Speed Manual Trans

Part Number: SPZ-74679

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Ring and Pinion Gears,USA Standard 10.5" GM 14 Bolt, 4.88 Ratio Thick Rear Ring & Pinion GearInstall Kit Package,

Part Number: SPZ-10835

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Dana 44 19/30Spline 4340 FRONT AXLE kit, w/ 297X, 71-77 BRONCO.

Part Number: SPZ-35065

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Differential Ring and Pinion, USA Standard Ring & Pinion set for 8.2" Buick, Olds & Pontiac, 3.55

Part Number: SPZ-36368

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Estimated Ship Date: Feb 9, 2026 if ordered today

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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: Feb 9, 2026 if ordered today

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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, 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 )

Estimated Ship Date: Tomorrow

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Ring and Pinion Gears, 3.31:1 Ratio, 30-spline, Standard Ring Gear Rotation, Ford 8.8 in., Set

Part Number: SPZ-36121

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Differential Rebuild Kits, USA Standard Master Overhaul kit Dana 44 differential, Corvette

Part Number: SPZ-37134

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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

Part Number: SPZ-37033

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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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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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, 29-spline, Standard Ring Gear Rotation, Dana 70, Set

Part Number: SPZ-36088

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Ring and Pinion Gears, 3.54:1 Ratio, 29-spline, Standard Ring Gear Rotation, Dana 60, Set

Part Number: SPZ-36073

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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

Part Number: SPZ-36066

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Estimated Ship Date: Feb 9, 2026 if ordered today

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