USA Standard Gear at Summit Racing

USA Standard Gear Manual Transmission Bearing Kits ZMBK116HDWS

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

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

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

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

Part Number: SPZ-37002

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USA Standard Gear Ring and Pinion Sets ZG GM55P-308 GM 55P (8.2 in. Drop out) 3.08 Gears

Ring and Pinion Gears, 3.08:1 Ratio, 17-spline, Standard Ring Gear Rotation, GM 55P, Set

Part Number: SPZ-36189

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG C9.25R-373R Chrysler 9.25 in. 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Reverse Rotation, Chrysler 9.25 in., Dodge, Ram, Front, Set

Part Number: SPZ-36371

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

USA Standard Gear Master Overhaul Kits ZK GM9.76

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

Part Number: SPZ-37119

Not Yet Reviewed

Estimated Ship Date: Nov 28, 2025 if ordered today

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Estimated Ship Date: Nov 28, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG F9-325 Ford 9 in. 3.25 Gears

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: Today

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USA Standard Gear Master Overhaul Kits for 2004-2006 GTO - ZK GM7.75IRS

Differential Rebuild Kits, USA Standard Master Overhaul kit for GM 7.75 IRS

Part Number: SPZ-37144

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG F10.5-488-31 Ford 10.5 in. 4.88 Gears

Differential Ring and Pinion, USA standard ring & pinion gear set for '10 & down Ford 10.5" in a 4.88 ratio.

Part Number: SPZ-36433

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG C8.89-355 Chrysler 8.75 in. 489 case 3.55 Gears

Ring and Pinion Gears, 3.55:1 Ratio, 29-spline, Standard Ring Gear Rotation, Chrysler 8.75 in., 489 Case, Set

Part Number: SPZ-36014

Not Yet Reviewed

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Need It Sooner? We recommend these similar substitute parts:

Motive Gear Performance Ring and Pinion Sets C887355L Chrysler 8.75 in. 489 case 3.55 Gears

3 out of 5 stars ( 4 )

Estimated Ship Date: Today

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USA Standard Gear Master Overhaul Kits ZK D60-F

USA Standard Master Overhaul kit Dana 60, Front, Kit

Part Number: SPZ-37020

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USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2123 GM 10.5 in. (14-bolt) 5.13 Gears

Ring and Pinion Gears,USA Standard 10.5" GM 14 Bolt, 5.13 Ratio Thick Rear Ring & Pinion GearInstall Kit Package,

Part Number: SPZ-10836

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2211 GM 8.2 in. 3.73 Gears

Ring and Pinion Gears,USA Standard 8.2" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10666

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG D80-354 Dana 80 3.54 Gears

Ring and Pinion Gears, 3.54:1 Ratio, 37-spline, Standard Ring Gear Rotation, Dana 80, Set

Part Number: SPZ-36091

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG F8.8-456 Ford 8.8 in. 4.56 Gears

Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Ring Gear Rotation, Ford 8.8 in., Set

Part Number: SPZ-36126

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

USA Standard Gear Transfer Case Input Shafts ZTNP19019

Transfer Case Components, Input Shaft, New Process 241/243/246, Chevrolet, GMC, Each

Part Number: SPZ-77873

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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USA Standard Gear Ring and Pinion Sets ZG GM12P-342 GM 8.875 in. (12-bolt) passenger car 3.42 Gears

USA Standard Ring & Pinion gear set for GM 12 bolt car in a 3.42 ratio

Part Number: SPZ-36165

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG D44-513T Dana 44 5.13 Gears

USA Standard Ring & Pinion "thick" gear set for Dana 44 in a 5.13 ratio

Part Number: SPZ-36051

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM14T-373 GM 10.5 in. (14-bolt) 3.73 Gears

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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USA Standard Gear Driveshafts for 2000-2003 F-350 SUPER DUTY - ZDS9304

Fits '00-'03 Ford F350 front with over 8500 GVW. 40 1/2" long from center of u/joint caps.

Part Number: SPZ-44196

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

USA Standard Gear Manual Transmission Bearing Kits ZMBK478

Manual Transmission Bearings, NSG370 M/T BEARING KIT '05-'14 JEEP

Part Number: SPZ-76201

Not Yet Reviewed

Estimated Ship Date: Nov 28, 2025 if ordered today

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Estimated Ship Date: Nov 28, 2025 if ordered today

USA Standard Gear Master Overhaul Kits ZK GM8.2BOP

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

Part Number: SPZ-37054

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Estimated Ship Date: Dec 1, 2025 if ordered today

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USA Standard Gear Master Overhaul Kits ZK GM12P

USA Standard Master Overhaul kit for the GM 12P differential

Part Number: SPZ-37042

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USA Standard Gear Master Overhaul Kits ZK D44

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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USA Standard Gear Ring and Pinion Sets ZG GM12T-456T GM 8.875 in. (12-bolt) truck 4.56 Gears

USA Standard Ring & Pinion "thick" gear set for GM 12 bolt truck in a 4.56 ratio

Part Number: SPZ-36180

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2188 Chrysler 8.25 in. 3.90 Gears

Ring and Pinion Gears,USA Standard 8.25" CHRYSLER, 3.90 Ratio Rear Ring & Pinion GearInstall Kit 1.62" ID Axle Bearings & Seals

Part Number: SPZ-10901

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

USA Standard Gear Ring & Pinion Gears, Axles, Driveshafts & More