USA Standard Gear Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

USA Standard Gear Spartan Lockers Dana 30 SL D30-27

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

Part Number: SPZ-17000

5.0 out of 5 stars ( 5 )

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USA Standard Gear Master Overhaul Kits ZK C9.25-R-B

USA Standard Master Overhaul kit Chrysler, Dodge, 9.25 in., Rear, Kit

Part Number: SPZ-37079

3.67 out of 5 stars ( 6 )

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USA Standard Gear Ring and Pinion Sets ZG F8.8-430 Ford 8.8 in. 4.30 Gears

RING AND PINION GEARS, USA Standard ring & pinion sets

Part Number: SPZ-36329

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USA Standard Gear Ring and Pinion Sets ZG D60-354 Dana 60 3.54 Gears

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 )

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USA Standard Gear Spartan Lockers GM 8.5 Inch SL GM8.5-28

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 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Powertrax Lock-Right Lockers GM 8.5 Inch 1920-LR

4.75 out of 5 stars ( 14 )

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USA Standard Gear Ring and Pinion Sets ZG GM8.5-411 GM 8.5/8.6 in. 4.11 Gears

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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USA Standard Gear Ring and Pinion Sets ZG C8.42-355-C Chrysler 8.75 in. 742 case 3.55 Gears

Gear, Ring and Pinion, 3.55:1, Chrysler, 8.75 in. 742, Set

Part Number: SPZ-36300

4.0 out of 5 stars ( 2 )

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USA Standard Gear Manual Transmission Throwout Bearing Retainers ZMG56-6C

Manual Transmission Bearing Retainer, Manual Transmission Bearing Retainer

Part Number: SPZ-ZMG56-6C

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USA Standard Gear Ring and Pinion Sets ZG GM8.5-456 GM 8.5/8.6 in. 4.56 Gears

Ring and Pinion Gear, 4.56:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36218

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USA Standard Gear Ring and Pinion Sets ZG F7.5-373 Ford 7.5 in. 3.73 Gears

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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USA Standard Gear Master Overhaul Kits ZK F9.75-B

USA Standard Master Overhaul kit Ford, Lincoln, 9.75 in., Rear, Kit

Part Number: SPZ-37087

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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USA Standard Gear Transfer Case Bearing Kits ZTBK205RDF

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

Part Number: SPZ-70414

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USA Standard Gear Ring and Pinion Sets ZG D44-373 Dana 44 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, 26-spline, Standard Ring Gear Rotation, Dana 44, Set

Part Number: SPZ-36040

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Motive Gear Ring and Pinion Sets D44-373 Dana 44 3.73 Gears

4.5 out of 5 stars ( 4 )

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USA Standard Gear Master Overhaul Kits ZK GM8.2

Ring and Pinion Installation Kit, GM 8.2 in., Rear, Kit

Part Number: SPZ-37051

4.75 out of 5 stars ( 4 )

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USA Standard Gear Ring and Pinion Sets ZG TV6-373-29 Toyota V6 3.73 Gears

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

Part Number: SPZ-36316

5.0 out of 5 stars ( 1 )

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USA Standard Gear Ring and Pinion Sets ZG D44-456T Dana 44 4.56 Gears

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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USA Standard Gear Ring and Pinion Sets ZG D44-538 Dana 44 5.38 Gears

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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USA Standard Gear Manual Transmission Bearing Kits for 1988 929, 1987-1993 B2600, 1986-1991 RX-7 - ZMBK199WS

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

Part Number: SPZ-ZMBK199WS

Not Yet Reviewed

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USA Standard Gear Axle Shafts ZA G12471369

Axle Shaft, 30-Spline, 33.750 in. Length, Rear, Chevy, Each

Part Number: SPZ-35040

4.4 out of 5 stars ( 5 )

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USA Standard Gear Ring and Pinion Sets ZG GM8.5-373 GM 8.5/8.6 in. 3.73 Gears

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 Gear Manual Transmission Bearing Kits for 1984-1989 4RUNNER, 1979-1995 PICKUP - ZMBK161WS

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

Part Number: SPZ-ZMBK161WS

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USA Standard Gear Ring and Pinion Sets ZG GM8.5-342 GM 8.5/8.6 in. 3.42 Gears

Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36213

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Motive Gear Ring and Pinion Sets GM10-342A GM 8.5/8.625 in. 3.42 Gears

4.5 out of 5 stars ( 16 )

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USA Standard Gear Master Overhaul Kits ZK GM9.76

USA Standard Master Overhaul kit GM, 9.76 in., Kit

Part Number: SPZ-37119

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USA Standard Gear Manual Transmission Bearing Kits ZMBK162CWS

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

Part Number: SPZ-ZMBK162CWS

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USA Standard Gear Ring and Pinion Sets ZG C9.25-355 Chrysler 9.25 in. 3.55 Gears

Ring and Pinion Gears, 3.55:1 Ratio, 29-spline, Standard Ring Gear Rotation, Chrysler 9.25 in., Set

Part Number: SPZ-36018

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